[automerger skipped] Merge "Document silent install condition for older...

[automerger skipped] Merge "Document silent install condition for older android versions" into udc-qpr-dev am: 6e178a6d am: f83977f9 -s ours

am skip reason: Merged-In I5de0830dec9f10b71eebc952894a9329d5e72275 with SHA-1 55882a65 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24325198



Change-Id: I601eeb9e81d5f913463ad3360954a3ca739c82e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>