[automerger skipped] Allow for server-side configuration of libstagefright am: 1b32bccc1a -s ours

am skip reason: Merged-In I95aa6772a40599636d109d6960c2898e44648c9b with SHA-1 3c818406c4 is already in history

Original change: https://android-review.googlesource.com/c/platform/system/sepolicy/+/2762467

Change-Id: I8b7c5cf421f70df6518fc0711924510c2c3086a9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>