sepolicy: Add the dmabuf system-uncached heap

This should match policy for the system heap as they both map to
the ION system heap with the ION_FLAG_CACHED flag on or off.

Change-Id: Ib2929b84a2f8092adcf2f874ad6ccdfe068fe6dc
Signed-off-by: John Stultz <john.stultz@linaro.org>
1 file changed