Merge "Fix connected apps for headless (was previously always checking allowed apps on user 0)." into udc-dev am: b5c0e6e7 am: ff921596 am: df61f735 am: 6649be21

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23154111



Change-Id: I81294fd104f28aa985465547f5866c4cde595f3e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>