android: do not embed firebase-analytics

Change-Id: I0fee34c7c21ca6ad13514d48fc9c5600b06f6d96

ring-android/app/build.gradle

@@ -113,8 +113,11 @@ dependencies {
 
     implementation 'com.jsibbold:zoomage:1.2.0'
 
-    withFirebaseImplementation 'com.google.firebase:firebase-core:17.1.0'
-    withFirebaseImplementation 'com.google.firebase:firebase-messaging:20.0.0'
+    implementation('com.google.firebase:firebase-messaging:20.0.0') {
+        exclude group: 'com.google.firebase', module: 'firebase-core'
+        exclude group: 'com.google.firebase', module: 'firebase-analytics'
+        exclude group: 'com.google.firebase', module: 'firebase-measurement-connector'
+    }
 }
 
 if (buildFirebase) {

ring-android/app/proguard-rules.pro

@@ -17,6 +17,7 @@
 # Firebase
 -keep class com.firebase.** { *; }
 -keep class com.google.firebase.** { *; }
+-dontwarn com.google.firebase.analytics.connector.AnalyticsConnector
 
 # ORMLite
 -keep class com.j256.**