Camera: Support obtaining camera memory from MemoryHeapIon

* Exynos 5 devices want the ION file descriptor from MemoryHeapIon

Change-Id: I9e445cf24c15713f713181667e7b7caa1a96592e
Camera: Update MemoryHeapIon

* Update from ODROID-XU 04212014 BSP

Change-Id: Ie5b1ff89c2552b58d342b28ca0154c00bb150d39