Extract app label from component name in notification access confirmation UI

Bug: 228178437
Test: Manually tested on POC
Change-Id: I8613d9b87a53d4641c0689bca9c961c66a2e9415
Merged-In: I8613d9b87a53d4641c0689bca9c961c66a2e9415
(cherry picked from commit 8d749c55f4efd6b2e514d90204667ffa804eb0f9)
Merged-In: I8613d9b87a53d4641c0689bca9c961c66a2e9415
1 file changed