Merge "Check that only allowed installers can perform a non-staged APEX...

Merge "Check that only allowed installers can perform a non-staged APEX update" into sc-dev am: 42b407a0 am: 48971569

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14843821

Change-Id: I3d8431426545870f9e82ce08e78901408382cb48