Remove Firebase Predictions from the Firebase installation ID delete … (#3973)

* Remove Firebase Predictions from the Firebase installation ID delete comment as it was recently shut down; replace with Firebase A/B Testing, which also requires a FID.

* Remove Firebase Predictions, add A/B Testing, and update Notifications to Cloud Messaging in code comment.

* Update comment formatting.

Author: jenh

firebase-installations-interop/src/main/java/com/google/firebase/installations/FirebaseInstallationsApi.java

@@ -48,9 +48,9 @@ public interface FirebaseInstallationsApi {
   Task<InstallationTokenResult> getToken(boolean forceRefresh);
 
   /**
-   * Async function that deletes this Firebase app installation from Firebase backend. This call
-   * would possibly lead Firebase Notification, Firebase RemoteConfig, Firebase Predictions or
-   * Firebase In-App Messaging not function properly.
+   * Async function that deletes this Firebase app installation from Firebase backend. This call may
+   * cause Firebase Cloud Messaging, Firebase Remote Config, Firebase A/B Testing, or Firebase
+   * In-App Messaging to not function properly.
    */
   @NonNull
   Task<Void> delete();

firebase-installations/src/main/java/com/google/firebase/installations/FirebaseInstallations.java

@@ -266,7 +266,7 @@ public Task<InstallationTokenResult> getToken(boolean forceRefresh) {
 
   /**
    * Call to delete this Firebase app installation from the Firebase backend. This call may cause
-   * Firebase Cloud Messaging, Firebase Remote Config, Firebase Predictions, or Firebase In-App
+   * Firebase Cloud Messaging, Firebase Remote Config, Firebase A/B Testing, or Firebase In-App
    * Messaging to not function properly.
    */
   @NonNull