[automerger skipped] [RESTRICT AUTOMERGE][pm] still allow debuggable for system app downgrades am: 8e804c13ab -s ours am: 67b3147597 -s ours am: 4ae5cc14ea -s ours am: a3ec3143fe -s ours am: 59cb942357 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21266751

Change-Id: Ib9f342bff267223477faf4849e998b686240385b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>