camera: Add AWB and AE lock

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Change-Id: Idea7b7af7eb7adb4e02e6f527dda96e78f3e0f16

Patchset: 1
http://review.cyanogenmod.org/#/c/51573/
camera: Wait for continous focus to complete before taking a picture

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Change-Id: I2aef0e3e413c9a8708fe1c87860beb287c844a1c

Patchset: 1
http://review.cyanogenmod.org/#/c/51574/