[automerger skipped] [RESTRICT AUTOMERGE][pm] still allow debuggable for...

[automerger skipped] [RESTRICT AUTOMERGE][pm] still allow debuggable for system app downgrades am: b050c4ba -s ours am: 8b653eba -s ours am: 54e49244 -s ours am: c37f8c61 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21267278



Change-Id: Iec1b99423cef49c2ca153ef6013b38c7fec17b84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>