Merge "Minimal Phone Mode (part-1)" into ub-launcher3-rvc-qpr-dev am: 5484fd3e am: 07ab7015

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12171290

Change-Id: I4eeb9731c15b3b0d0aac32b4545675e11cc8391a