CommandInvokationFailure: Gradle build failed. with OneSignal and google analytics

 CommandInvokationFailure: Gradle build failed. 
 D:/Program Files/Java/jdk1.8.0_151\bin\java.exe -classpath "D:\Programs\Editor\Data\PlaybackEngines\AndroidPlayer\Tools\gradle\lib\gradle-launcher-4.0.1.jar" org.gradle.launcher.GradleMain "-Dorg.gradle.jvmargs=-Xmx2048m" "assembleRelease"
 
 stderr[
 D:\Unity-Projects\Fun2Learn\Temp\gradleOut\build\intermediates\res\merged\release\values-v28\values-v28.xml:7:41-73: AAPT: No resource found that matches the given name (at 'dialogCornerRadius' with value '?android:attr/dialogCornerRadius').
     
 Failed to generate resource table for split ''
 D:\Unity-Projects\Fun2Learn\Temp\gradleOut\build\intermediates\res\merged\release\values-v28\values-v28.xml:7: error: Error: No resource found that matches the given name (at 'dialogCornerRadius' with value '?android:attr/dialogCornerRadius').
 
 
 
 FAILURE: Build failed with an exception.
 
 * What went wrong:
 Execution failed for task ':processReleaseResources'.
 > com.android.ide.common.process.ProcessException: Failed to execute aapt
 
 * Try:
 Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
 
 BUILD FAILED in 1m 53s
 ]
 stdout[
 Starting a Gradle Daemon (subsequent builds will be faster)
 NDK is missing a "platforms" directory.
 If you are using NDK, verify the ndk.dir is set to a valid NDK directory.  It is currently set to D:\Program Files (x86)\Android\android-sdk\ndk-bundle.
 If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local.properties to remove this warning.
 
 NDK is missing a "platforms" directory.
 If you are using NDK, verify the ndk.dir is set to a valid NDK directory.  It is currently set to D:\Program Files (x86)\Android\android-sdk\ndk-bundle.
 If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local.properties to remove this warning.
 
 The setTestClassesDir(File) method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use the setTestClassesDirs(FileCollection) method instead.
 The getTestClassesDir() method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use the getTestClassesDirs() method instead.
 The ConfigurableReport.setDestination(Object) method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use the method ConfigurableReport.setDestination(File) instead.
 :preBuild UP-TO-DATE
 :preReleaseBuild UP-TO-DATE
 :checkReleaseManifest
 :preDebugBuild UP-TO-DATE
 :prepareAndroidArchCoreRuntime110Library
 :prepareAndroidArchLifecycleLivedataCore110Library
 :prepareAndroidArchLifecycleRuntime110Library
 :prepareAndroidArchLifecycleViewmodel110Library
 :prepareComAndroidSupportAnimatedVectorDrawable2800Alpha1Library
 :prepareComAndroidSupportAppcompatV72800Alpha1Library
 :prepareComAndroidSupportAsynclayoutinflater2800Alpha1Library
 :prepareComAndroidSupportCoordinatorlayout2800Alpha1Library
 :prepareComAndroidSupportCursoradapter2800Alpha1Library
 :prepareComAndroidSupportCustomtabs2800Alpha1Library
 :prepareComAndroidSupportCustomview2800Alpha1Library
 :prepareComAndroidSupportDocumentfile2800Alpha1Library
 :prepareComAndroidSupportDrawerlayout2800Alpha1Library
 :prepareComAndroidSupportInterpolator2800Alpha1Library
 :prepareComAndroidSupportLoader2800Alpha1Library
 :prepareComAndroidSupportLocalbroadcastmanager2800Alpha1Library
 :prepareComAndroidSupportPrint2800Alpha1Library
 :prepareComAndroidSupportSlidingpanelayout2800Alpha1Library
 :prepareComAndroidSupportSupportCompat2800Alpha1Library
 :prepareComAndroidSupportSupportCoreUi2800Alpha1Library
 :prepareComAndroidSupportSupportCoreUtils2800Alpha1Library
 :prepareComAndroidSupportSupportFragment2800Alpha1Library
 :prepareComAndroidSupportSupportMediaCompat2800Alpha1Library
 :prepareComAndroidSupportSupportV42800Alpha1Library
 :prepareComAndroidSupportSupportVectorDrawable2800Alpha1Library
 :prepareComAndroidSupportSwiperefreshlayout2800Alpha1Library
 :prepareComAndroidSupportViewpager2800Alpha1Library
 :prepareComGoogleAndroidGmsPlayServicesAnalytics1180Library
 :prepareComGoogleAndroidGmsPlayServicesAnalyticsImpl1180Library
 :prepareComGoogleAndroidGmsPlayServicesAnalyticsImplLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesAnalyticsLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesBase1180Library
 :prepareComGoogleAndroidGmsPlayServicesBaseLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesBasement1180Library
 :prepareComGoogleAndroidGmsPlayServicesBasementLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesGcm1180Library
 :prepareComGoogleAndroidGmsPlayServicesGcmLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesIid1180Library
 :prepareComGoogleAndroidGmsPlayServicesIidLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesLocation1180Library
 :prepareComGoogleAndroidGmsPlayServicesLocationLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesTagmanagerV4Impl1180Library
 :prepareComGoogleAndroidGmsPlayServicesTagmanagerV4ImplLicense1180Library
 :prepareComGoogleAndroidGmsPlayServicesTasks1180Library
 :prepareComGoogleAndroidGmsPlayServicesTasksLicense1180Library
 :prepareOnesignalUnityLibrary
 :prepareVuforiaWrapperLibrary
 :OneSignalConfig:preBuild UP-TO-DATE
 :OneSignalConfig:preReleaseBuild UP-TO-DATE
 :OneSignalConfig:checkReleaseManifest
 :OneSignalConfig:prepareReleaseDependencies
 :OneSignalConfig:compileReleaseAidl
 :OneSignalConfig:compileReleaseNdk NO-SOURCE
 :OneSignalConfig:compileLint
 :OneSignalConfig:copyReleaseLint NO-SOURCE
 :OneSignalConfig:mergeReleaseShaders
 :OneSignalConfig:compileReleaseShaders
 :OneSignalConfig:generateReleaseAssets
 :OneSignalConfig:mergeReleaseAssets
 :OneSignalConfig:mergeReleaseProguardFiles
 :OneSignalConfig:packageReleaseRenderscript NO-SOURCE
 :OneSignalConfig:compileReleaseRenderscript
 :OneSignalConfig:generateReleaseResValues
 :OneSignalConfig:generateReleaseResources
 :OneSignalConfig:packageReleaseResources
 :OneSignalConfig:processReleaseManifest
 :OneSignalConfig:generateReleaseBuildConfig
 :OneSignalConfig:processReleaseResources
 :OneSignalConfig:generateReleaseSources
 :OneSignalConfig:incrementalReleaseJavaCompilationSafeguard
 :OneSignalConfig:javaPreCompileRelease
 :OneSignalConfig:compileReleaseJavaWithJavac
 :OneSignalConfig:processReleaseJavaRes NO-SOURCE
 :OneSignalConfig:transformResourcesWithMergeJavaResForRelease
 :OneSignalConfig:transformClassesAndResourcesWithSyncLibJarsForRelease
 :OneSignalConfig:mergeReleaseJniLibFolders
 :OneSignalConfig:transformNativeLibsWithMergeJniLibsForRelease
 :OneSignalConfig:transformNativeLibsWithSyncJniLibsForRelease
 :OneSignalConfig:bundleRelease
 :prepareReleaseDependencies
 :compileReleaseAidl
 :compileReleaseRenderscript
 :generateReleaseBuildConfig
 :generateReleaseResValues
 :generateReleaseResources
 :mergeReleaseResources
 :processReleaseManifest
 :processReleaseResources FAILED
 79 actionable tasks: 79 executed
 ]
 exit code: 1
 UnityEditor.Android.Command.WaitForProgramToRun (UnityEditor.Utils.Program p, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
 UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
 UnityEditor.Android.AndroidJavaTools.RunJava (System.String args, System.String workingdir, System.Action`1 progress, System.String error)
 UnityEditor.Android.GradleWrapper.Run (System.String workingdir, System.String task, System.Action`1 progress)
 Rethrow as GradleInvokationException: Gradle build failed
 UnityEditor.Android.GradleWrapper.Run (System.String workingdir, System.String task, System.Action`1 progress)
 UnityEditor.Android.PostProcessor.Tasks.BuildGradleProject.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context)
 UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context)
 UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
 

This is the error that i get when I build the apk with OneSignal and Googleanalyticsv4 plugin in my project. I'm running Unity 2017.3.0f3. I was able to build an apk with just the oneSignal plugin in the project. Been stuck for a while now, if anyone could help out, I'd be grateful. Thanks.