Merge "Set up a place holder tile for desktop" into tm-qpr-dev am: aeea6768e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/19914914

Change-Id: I97e4df052f43d0b6dfef5b3a04c0013c5133adca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>