CHANGING MANIFESTS DOES NOT WORK!! CommandInvokationFailure: Unable to merge android manifests. See the Console for more details

This is my error message:

     CommandInvokationFailure: Unable to merge android manifests. See the Console for more details. 
     C:/Program Files/Java/jdk1.8.0_112\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="C:/Users/Jamie/AppData/Local/Android/android-sdk\tools" -Dfile.encoding=UTF8 -jar "F:\Unity Program Files\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -
     
     stderr[
 
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 stdout[

Every time I search and alter my androidmanifest.xml files to match the minsdk they revert back after trying to build the game. I've updated the jdk and android sdk and nothing works! Please help!!