Fix building with ION support
Add ion system heap allocation
Add ION multimedia heaps
Pull in new unified qualcomm camera source. Being updating cameras
on vigor to utilize the new format.
V4L2 camera support continued...
Fix building with mt9d015 disabled
Revert "sync: Add synchronization framework"

This reverts commit 638a6cf6e531d065addaf9d7b8ba67eee51c9f9a.