Merge "[pm] a system config to let oems register uids" into main am: 715ffd22

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3211631



Change-Id: I62f53175edc8be3e4c0cdfdbd77d295589fe9698
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>