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

[automerger skipped] Disallow system apps to be installed/updated as instant. am: c61ee9f4 am: ed78735d am: 469ec218 -s ours am: 7cc65dcf -s ours am: 0fb72eae -s ours

am skip reason: Merged-In Idd89a6dd72f0e68259095f677185f0494391025c with SHA-1 c61ee9f4 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25715852



Change-Id: I919e4f10f11f1f972ba5e0cc09d5c4291dc93868
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>