Revert "overlay: Disable Home button wake support."

This reverts commit 0a41722d418d0c7dc443efe9d168ed06f56b762b.
overlays: remove Torch overlay.

Not needed and causes flashlight to turn off with screen

Change-Id: I8cedd851cb7b3af5662d9dbc8ffa2b84a02d4a9a