[automerger skipped] Merge "[pm] forbid deletion of protected packages" into qt-dev am: b625b562c4 am: ae7a1df57d -s ours am: 478c97e58c -s ours am: 526af0d1b1 -s ours

am skip reason: Merged-In Iba408e536b340ea5d66ab499442c0c4f828fa36f with SHA-1 fcdc62081c is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19935572

Change-Id: I2054a77b1a5c7dbf4260bcf73c222e5a4a4f027b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>