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
stagefright: Adjust confidence threshold for extended sniffers

 * Some sniffers return 0.2 for cases where they only find an audio
   track in some containers.
 * Change the comparison to also examine files right on this threshold.
 * This allows us to score ONE FUCKING HUNDRED PERCENT on the Antutu
   Video Test \o/

Change-Id: I78b6ab8a634771e0e290f669801f5b08d6a32a51
stagefright: Fix FFMPEG catchall decoders

 * Get this metadata properly flowing
 * Allows us to play tracks such as Apple Lossless :)

Change-Id: I2990b30eef5b672da339d24444424c61a43b85c2
stagefright: Increase raw codec buffer size

 * Enlarge the buffer to handle up to 6 channels of 32-bit data.
 * We should probably do this dynamically in the future.

Change-Id: Id1af10b52c4e71e811d0d034baf2d3f1388f4abd
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_frameworks_av into cm-12.0