I created a small ActivityFile.java. After running it, it takes a while to show the Android Emulator on screen. After 10 minutes, I got this error.
Emulator:
project--> gradle --> xxclasspath 'com.google.gms:google-services:3.1.0'
xxclasspath 'com.google.gms:google-services:3.1.0'
classpath 'com.google.gms:google-services:3.2.0'
you have to change one.