Fix memory leak in setActionProvider() - framework edition

Caused by ActionMenuItem's SubUiVisibilityListener
not being nulled when it is replaced via setActionProvider().

BUG: 22189734
Change-Id: Id4deaa05cd5554ca7bdf969a592e4812e39dcb75

core/java/android/view/ActionProvider.java

@@ -236,6 +236,14 @@ public abstract class ActionProvider {
         mVisibilityListener = listener;
     }
 
+    /**
+     * @hide
+     */
+    public void reset() {
+        mVisibilityListener = null;
+        mSubUiVisibilityListener = null;
+    }
+
     /**
      * @hide Internal use only
      */

core/java/com/android/internal/view/menu/MenuItemImpl.java

@@ -593,7 +593,7 @@ public final class MenuItemImpl implements MenuItem {
 
     public MenuItem setActionProvider(ActionProvider actionProvider) {
         if (mActionProvider != null) {
-            mActionProvider.setVisibilityListener(null);
+            mActionProvider.reset();
         }
         mActionView = null;
         mActionProvider = actionProvider;