Fix tests by downgrading AppCompat and fixing lint issue

Author: lfkellogg

firebase-appdistribution/firebase-appdistribution.gradle

@@ -60,7 +60,7 @@ dependencies {
 
     compileOnly 'com.google.auto.value:auto-value-annotations:1.6.5'
     annotationProcessor 'com.google.auto.value:auto-value:1.6.5'
-    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation "androidx.browser:browser:1.3.0"
     implementation "androidx.constraintlayout:constraintlayout:2.1.4"
 

firebase-appdistribution/src/main/res/layout/activity_feedback.xml

@@ -36,7 +36,6 @@
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:layout_marginTop="24dp"
-      android:onClick="submitFeedback"
       android:text="Submit"
       app:layout_constraintEnd_toEndOf="parent"
       app:layout_constraintHorizontal_bias="0.5"