ion: Port heap mask change to ion

Heap mask field passes as argument at allocation time to specify ion
heap.

Change-Id: I8881dfc491dc0f8f70581ad97b35756a6a33dd6d
Signed-off-by: Hanumant Singh <hanumant@codeaurora.org>
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
39 files changed