[automerger skipped] Disallow system apps to be installed/updated as instant. am: 08fab797f3 -s ours am: 04d38c5ad9 -s ours am: 3da76044f2 -s ours

am skip reason: Merged-In Idd89a6dd72f0e68259095f677185f0494391025c with SHA-1 fbdeb248db is already in history

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

Change-Id: I2125ff864745b4e3e1c55265a5451310696f2d17
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>