Merge "Send TaskBar touch events to tests" into sc-v2-dev am: f77d45cce8 am: 1ffc292ed5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14736370

Change-Id: I01d6bd1faf3c6169a1f45e35458ec699a1d7dfda