Make 4.3 work

Squashed set of commits kanged from jf

Change-Id: I2d7488e7ff060f8929f3a5ec8031472a43bafd91
Samsung Krait: move defines for camera around

Change-Id: Iafc47d3b92795de8af3762a3e54cffdff7090638
Use the MM heap for the camera

Change-Id: I03340697e048cd2870016923004cd7b96c64f8d4