Update api.txt

Author: lfkellogg

firebase-appdistribution-api/api.txt

@@ -15,6 +15,7 @@ package com.google.firebase.appdistribution {
 
   public interface FirebaseAppDistribution {
     method @NonNull public com.google.android.gms.tasks.Task<com.google.firebase.appdistribution.AppDistributionRelease> checkForNewRelease();
+    method public void collectAndSendFeedback();
     method @NonNull public static com.google.firebase.appdistribution.FirebaseAppDistribution getInstance();
     method public boolean isTesterSignedIn();
     method @NonNull public com.google.android.gms.tasks.Task<java.lang.Void> signInTester();

firebase-appdistribution-api/src/main/java/com/google/firebase/appdistribution/UpdateProgress.java

@@ -24,7 +24,6 @@ public interface UpdateProgress {
    * @returns the number of bytes downloaded, or -1 if called when updating to an AAB or if no new
    *     release is available.
    */
-  @NonNull
   long getApkBytesDownloaded();
 
   /**
@@ -33,7 +32,6 @@ public interface UpdateProgress {
    * @returns the file size in bytes, or -1 if called when updating to an AAB or if no new release
    *     is available.
    */
-  @NonNull
   long getApkFileTotalBytes();
 
   /** Returns the current {@link UpdateStatus} of the update. */