Camera: Support obtaining camera memory from MemoryHeapIon

* Exynos 5 devices want the ION file descriptor from MemoryHeapIon

Change-Id: I9e445cf24c15713f713181667e7b7caa1a96592e
Include more Samsung decoders to set native color format

Change-Id: I6be1517083ebe958c2a2984f22b9e9fc6dce3c9f
Merge remote-tracking branch 'cyanogen/cm-12.0' into HEAD