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

[automerger skipped] Disallow system apps to be installed/updated as instant. am: 08fab797 -s ours am: 04d38c5a -s ours

am skip reason: Merged-In Idd89a6dd72f0e68259095f677185f0494391025c with SHA-1 fbdeb248 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25716296



Change-Id: I1bc08f73fd361330c344bc0c6486a7c6cc9573f3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>