gestures: allow to toggle torch

Change-Id: Iba185d176ba1bfe6f7408718e3e8be78c4368a41
gestures: allow to play / pause music

Change-Id: I59de27866fbbceda1304a0f8ac26da77db968da3
gestures: dismiss dialog if showing to prevent crashes

Change-Id: I493b015c4f03eae37c4f0e8fd1d0be39c9e84059
gestures: allow to toggle silent mode

Change-Id: Id07d3ad2de3cc3ba6683309bfde88749d900d0e2