Android Multiplayer Matchmaking SSLHandshakeException

I'm trying to export my game to Android. Everything works fine on the editor and native OSX. However, on Android I run into an SSLHandshakeException when I call ListMatches on my NetworkManager.matchmaker

Here's what I get from logcat

 I/Unity   (13531): MatchMakingClient ListMatches :https://mm.unet.unity3d.com/json/reply/ListMatchRequest
 I/Unity   (13531): UnityEngine.Debug:Internal_Log(Int32, String, Object)
 I/Unity   (13531): UnityEngine.Debug:Log(Object)
 I/Unity   (13531): UnityEngine.Networking.Match.NetworkMatch:ListMatches(ListMatchRequest, ResponseDelegate`1)
 I/Unity   (13531): UnityEngine.Networking.Match.NetworkMatch:ListMatches(Int32, Int32, String, ResponseDelegate`1)
 I/Unity   (13531): NetworkCtrl:onMP() (at /Users/wontonst/Desktop/cruiser-command/nettest2/Assets/NetworkCtrl.cs:39)
 I/Unity   (13531): UnityEngine.Events.InvokableCall:Invoke(Object[])
 I/Unity   (13531): UnityEngine.Events.InvokableCallList:Invoke(Object[])
 I/Unity   (13531): UnityEngine.Events.UnityEventBase:Invoke(Object[])
 I/Unity   (13531): UnityEngine.Events.UnityEvent:Invoke()
 I/Unity   (13531): UnityEngine.UI.Button:Press() (at /Users/builduser/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/UI/Core/Button.cs:35)
 I/Unity   (13531): UnityEngine.UI.Button:OnPointerClick(PointerEventData) (at /Users/builduser/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/UI/Core/Button.cs:44)
 I/Unity   (13531): UnityEngine.EventSystems.ExecuteEvents:Execute(IPointerClickHandler, BaseEventData)
 D/Unity   (13531): UUID: 6848985ac92c => 71284b6e802f6f025f84087b9d8f1bc1
 E/Unity   (13531): Request error: javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.
 E/Unity   (13531): UnityEngine.Debug:Internal_Log(Int32, String, Object)
 E/Unity   (13531): UnityEngine.Debug:LogError(Object)
 E/Unity   (13531): UnityEngine.Networking.Match.<ProcessMatchResponse>c__Iterator0`1:MoveNext()
 E/Unity   (13531):  
 E/Unity   (13531): (Filename: ./artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 65)