Camera: add exposure and JPEG quality settings to video camera

Change-Id: I350484e93f88d229362dee663277a06f132fd4a3
BurstMode: only show slide animation after final shot

Change-Id: Ia7cfbe2be578d0d7d027537df92b11358f0a7201
Signed-off-by: DHO <DHO@dho.im>