[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: 20e07a2b -s ours am: 3d24573c -s ours am: 045de189 -s ours am: 879e4166 -s ours am: 271b13e4 -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/+/25715852



Change-Id: I58941d75dc1af9a13076527a981b24772a6fcc35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>