Merge "Allow system process register AttributionSource for app from other user" into tm-dev am: 6be9288ddb am: 0fbb120a47

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18702825

Change-Id: I0ed9958c25a6bb6f1cb2fda221e126dc69961873
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>