Camera: Change from GRALLOC_USAGE_PRIVATE_MM_HEAP to GRALLOC_USAGE_PRIVATE_CAMERA_HEAP

This change is required since there is no ION_CP_MM_HEAP_ID in board-msm7x27a.c.
So Changing it to use ION_CAMERA_HEAP_ID.

Change-Id: I059a8b71dd5b94ab7e82822458f410db1494f57c
1 file changed