Fix IntentReceiver leaked on Sound & vibration

The root cause is that PreferenceController migrated to Catalyst will be
removed by DashboardFragment and VolumeSeekBarPreferenceController
onPause() is not invoked.

NO_IFTTT=Controller only

Fix: 386162594
Flag: EXEMPT bugfix
Test: atest&manual
Change-Id: I13f8588c8259ed4ddb9895ffc60e209c99c05269

tests/robotests/src/com/android/settings/notification/VolumeSeekBarPreferenceControllerTest.java

@@ -88,24 +88,6 @@ public class VolumeSeekBarPreferenceControllerTest {
         verify(mPreference, never()).setListener(mListener);
     }
 
-    @Test
-    public void onResume_shouldResumePreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onResume();
-
-        verify(mPreference).onActivityResume();
-    }
-
-    @Test
-    public void onPause_shouldPausePreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onPause();
-
-        verify(mPreference).onActivityPause();
-    }
-
     @Test
     public void sliderMethods_handleNullPreference() {
         when(mHelper.getStreamVolume(mController.getAudioStream())).thenReturn(4);