Support customized summary in Channel Notification

Want to show the vibration name if customised vibration in channel notification is enabled. Therefore, need the summary function could be overrided.

Flag: com.android.server.notification.notification_vibration_in_sound_uri
Test: manual test
Bug: 351975435
Change-Id: I1fcd6deb3f176ef5943da59ae8861136d4a63f79
1 file changed