[Motion] Removed internal listener from container transform after transition ends.

Resolves #1601

PiperOrigin-RevId: 325798894
(cherry picked from commit 05e0496)

Author: hunterstich

lib/java/com/google/android/material/transition/MaterialContainerTransform.java

@@ -961,6 +961,7 @@ public void onTransitionStart(@NonNull Transition transition) {
 
           @Override
           public void onTransitionEnd(@NonNull Transition transition) {
+            removeListener(this);
             if (holdAtEndEnabled) {
               // Keep drawable showing and views hidden (useful for Activity return transitions)
               return;

lib/java/com/google/android/material/transition/platform/MaterialContainerTransform.java

@@ -966,6 +966,7 @@ public void onTransitionStart(@NonNull Transition transition) {
 
           @Override
           public void onTransitionEnd(@NonNull Transition transition) {
+            removeListener(this);
             if (holdAtEndEnabled) {
               // Keep drawable showing and views hidden (useful for Activity return transitions)
               return;