Merge "Convert Launcher Android.mk to Android.bp to setup RoboTests" into sc-dev am: d333224f19

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13684729

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8905c465d47181fe233c64d5f0eead7eee483a6a