Clean up empty jar reference am: ed49794677

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Car/Notification/+/2918629

Change-Id: I430beb64b0727cb1ae1f2d4ca2068c0b5b88b006
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>