Merge "Fix NPE of handling ACTION_MOVE in StatusBarTouchController and added unit test" into udc-dev am: 3dca7b3c6a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23300979

Change-Id: I640176031e4843bfdfa1358a253afebe90a384b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>