Merge "Diagnose when lab device sends fake touch screen events to test" into...

Merge "Diagnose when lab device sends fake touch screen events to test" into sc-v2-dev am: 0a39f6da am: da4e9793

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15482523

Change-Id: I345353d5b08e8e9a9fd4eaaafd27d79b0125b485