I getting the following issue on android. Bug in plugin - I made an empty project Unity version 2018.2.2f1 to check this and get this issue, but on Editor is ok.

adb logcat:

AndroidJavaException: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/common/internal/Preconditions;
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/common/internal/Preconditions;
at com.google.android.gms.internal.measurement.zzat.zzc(Unknown Source)
at com.google.android.gms.analytics.GoogleAnalytics.getInstance(Unknown Source)
at com.unity3d.player.UnityPlayer.nativeRender(Native Method)
at com.unity3d.player.UnityPlayer.c(Unknown Source)
at com.unity3d.player.UnityPlayer$e$2.queueIdle(Unknown Source)
at android.os.MessageQueue.next(MessageQueue.java:392)
at android.os.Looper.loop(Looper.java:136)
at com.unity3d.player.UnityPlayer$e.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.common.internal.Preconditions" on path: DexPathList[[zip file "/data/app/com.pixel.gun.combats-1/base.apk"],nativeLibraryDirectories=[/data/app/com.pixel.gun.combats-1/lib/arm, /data/app/com.pixel.gun.com