[automerger skipped] [automerge] [RESTRICT AUTOMERGE][pm] still allow debuggable for system app downgrades 2p: 636cdf22b9 am: 24ab5f29ba -s ours am: 5a623a1588 -s ours am: 0cc4603ee4 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21266989

Change-Id: I976ee11d3af4bad5c7b5dcce75d2d0aa161f5261
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>