skip if entry has been added am: a02a943a3b

Original change: https://android-review.googlesource.com/c/platform/external/jarjar/+/2982311

Change-Id: Ia06021992185f83de2b5145dc4da88338d7c0b29
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>