Camera: Support obtaining camera memory from MemoryHeapIon

* Exynos 5 devices want the ION file descriptor from MemoryHeapIon

Change-Id: I9e445cf24c15713f713181667e7b7caa1a96592e
media: Add Ops check before starting audio recording.

Confirm user permission before starting audio recording.

Change-Id: Ia4e6d8fb6986d4e73fb656ba0efaf42c210e92af
Camera: Remove merge artifact

Change-Id: I5817d9f2a9410ef6ba4f5f0242406b410afbf0be
Camera: Avoid redefinition of ISO params

Change-Id: I5f283f6d3affb35ef6a24f00fdaac0ca8aa348ba