Remove LiveTileOverlay

Since we place app on top during the initial swipe up, LiveTileOverlay is no longer necessary. LiveTileOverlay was used to hole punch during the initial swipe when we place app under. After the initial swipe up settles in overview, hole punching job is given to the TaskView.

Fixes: 181937887
Test: manual
Change-Id: If5293dc0143af8be9db9d2745f567c4c680010a0
4 files changed