Merge "Whitelist package verifiers for bg operation" into rvc-dev am: 062b1514 am: 3a48d58f am: c00d7901

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11854551

Change-Id: I55344006bfe159076fe7631dd2a5bc7dbe297f88