chore(fiam + fiamd): re-generate api.txt files (#1699)

Author: thatfiredev

firebase-inappmessaging-display/api.txt

@@ -1,15 +1,15 @@
 // Signature format: 2.0
 package com.google.firebase.inappmessaging.display {
 
-  @Keep public class FirebaseInAppMessagingDisplay implements android.app.Application.ActivityLifecycleCallbacks com.google.firebase.inappmessaging.FirebaseInAppMessagingDisplay {
+  public class FirebaseInAppMessagingDisplay implements android.app.Application.ActivityLifecycleCallbacks com.google.firebase.inappmessaging.FirebaseInAppMessagingDisplay {
     method public void displayMessage(com.google.firebase.inappmessaging.model.InAppMessage, com.google.firebase.inappmessaging.FirebaseInAppMessagingDisplayCallbacks);
-    method @NonNull @Keep public static com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay getInstance();
+    method @NonNull public static com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay getInstance();
     method public void onActivityCreated(android.app.Activity, android.os.Bundle);
-    method @Keep public void onActivityDestroyed(android.app.Activity);
-    method @Keep public void onActivityPaused(android.app.Activity);
-    method @Keep public void onActivityResumed(android.app.Activity);
+    method public void onActivityDestroyed(android.app.Activity);
+    method public void onActivityPaused(android.app.Activity);
+    method public void onActivityResumed(android.app.Activity);
     method public void onActivitySaveInstanceState(android.app.Activity, android.os.Bundle);
-    method @Keep public void onActivityStarted(android.app.Activity);
+    method public void onActivityStarted(android.app.Activity);
     method public void onActivityStopped(android.app.Activity);
   }
 

firebase-inappmessaging/api.txt

@@ -18,7 +18,7 @@ package com.google.firebase.inappmessaging {
     method public void setAutomaticDataCollectionEnabled(boolean);
     method public void setMessageDisplayComponent(@NonNull com.google.firebase.inappmessaging.FirebaseInAppMessagingDisplay);
     method public void setMessagesSuppressed(@NonNull Boolean);
-    method public void triggerEvent(String);
+    method public void triggerEvent(@NonNull String);
   }
 
   public interface FirebaseInAppMessagingClickListener {