-Register media controller callback -Update panel header when medadata changes -Add test cases Bug: 151396986 Test: make -j50 RunSettingsRoboTests Change-Id: Id0b8f997899a96c0c94ca6bf099e624a9e87795b
-Register media controller callback -Update panel header when medadata changes -Add test cases Bug: 151396986 Test: make -j50 RunSettingsRoboTests Change-Id: Id0b8f997899a96c0c94ca6bf099e624a9e87795b