Remote Config throws NetworkOnMainThreadException on Android 6 (API 23) - v33.13.0

[brunopiovan]

Just do the basic implementation of Remote Config using bom v33.13.0 on API 23, open the app and put it on background.

I'm getting tons of the error below, only on Android 6:

Fatal Exception: android.os.NetworkOnMainThreadException: at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1332) at com.android.org.conscrypt.Platform.blockGuardOnNetwork(Platform.java:300) at com.android.org.conscrypt.OpenSSLSocketImpl.shutdownAndFreeSslNative(OpenSSLSocketImpl.java:1217) at com.android.org.conscrypt.OpenSSLSocketImpl.close(OpenSSLSocketImpl.java:1212) at com.android.okhttp.Connection.closeIfOwnedBy(Connection.java:173) at com.android.okhttp.OkHttpClient$1.closeIfOwnedBy(OkHttpClient.java:77) at com.android.okhttp.internal.http.HttpConnection.closeIfOwnedBy(HttpConnection.java:137) at com.android.okhttp.internal.http.HttpTransport.disconnect(HttpTransport.java:135) at com.android.okhttp.internal.http.HttpEngine.disconnect(HttpEngine.java:600) at com.android.okhttp.internal.huc.HttpURLConnectionImpl.disconnect(HttpURLConnectionImpl.java:134) at com.android.okhttp.internal.huc.DelegatingHttpsURLConnection.disconnect(DelegatingHttpsURLConnection.java:93) at com.android.okhttp.internal.huc.HttpsURLConnectionImpl.disconnect(HttpsURLConnectionImpl.java) at com.google.firebase.remoteconfig.internal.ConfigRealtimeHttpClient.setIsInBackground(ConfigRealtimeHttpClient.java:413) at com.google.firebase.remoteconfig.internal.ConfigRealtimeHandler.setBackgroundState(ConfigRealtimeHandler.java:94) at com.google.firebase.remoteconfig.FirebaseRemoteConfig.setConfigUpdateBackgroundState(FirebaseRemoteConfig.java:715) at com.google.firebase.remoteconfig.RemoteConfigComponent.notifyRCInstances(RemoteConfigComponent.java:367) at com.google.firebase.remoteconfig.RemoteConfigComponent.access$100(RemoteConfigComponent.java:64) at com.google.firebase.remoteconfig.RemoteConfigComponent$GlobalBackgroundListener.onBackgroundStateChanged(RemoteConfigComponent.java:405) at com.google.android.gms.common.api.internal.BackgroundDetector.zza(com.google.android.gms:play-services-basement@@18.5.0:3) at com.google.android.gms.common.api.internal.BackgroundDetector.onTrimMemory(com.google.android.gms:play-services-basement@@18.5.0:3) at android.app.Application.onTrimMemory(Application.java:136) at android.app.ActivityThread.handleTrimMemory(ActivityThread.java:5188) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1755) at android.os.Handler.dispatchMessage(Handler.java:110) at android.os.Looper.loop(Looper.java:203) at android.app.ActivityThread.main(ActivityThread.java:6339) at java.lang.reflect.Method.invoke(Method.java) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1084) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:945)

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