fb: volume rocker control (wake up)

Change-Id: I60f5f88e32a129afda80f5b0f4f41cb0a322b691
privacy guard: allow as well image resources for light background

allow to fetch icons which fit on light background if needed. (Settings eg and
later other security features)

Change-Id: I6445bf0fc1a05718af01d83e29fc6d01b8f11c6c