Merge "Whitelist package verifiers for bg operation" into rvc-dev am: 062b151415 am: 3a48d58f51 am: 85b2c1154f

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

Change-Id: I60825be2ae548f9d3d5bcd3946db6ac31ab40ebe