Merge "Allow system process register AttributionSource for app from other user" into tm-dev am: 6be9288ddb am: 0fbb120a47 am: 382e717c56

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

Change-Id: I15d0c7ef30c5743b8351948801f730d8d7d24253
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>