Merge "Load the notifications of the target user before unfreezing the screen" into udc-dev am: 61ead8cc am: 4cce29b2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22300803



Change-Id: I8d991601c2ca0a4194e39c32100408772f4e655f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>