[automerger skipped] Disallow system apps to be installed/updated as instant....

[automerger skipped] Disallow system apps to be installed/updated as instant. am: 9d7c8609 -s ours am: ea5302b4 -s ours

am skip reason: Merged-In Idd89a6dd72f0e68259095f677185f0494391025c with SHA-1 b978fdc3 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25715001



Change-Id: Id70bf8460bd9a06dcb749a246b14709e739a26dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>