[automerger skipped] [RESTRICT AUTOMERGE][pm] still allow debuggable for system app downgrades am: 341669af am: 5507f1dd -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21267341



Change-Id: Idebe657391745ddf552547eca54adb69043e155c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>