Merge "add kotlin support for launcher" into sc-v2-dev am: 33f9de0225 am: 997bee0c73

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16101503

Change-Id: I6692c0f54d5ba676b84638f9914c15ba81cdaef5