Fix media playout on 8974

Yeah, we need the venus color format on recent platforms, and
I can't reproduce the clean_headers conflict...

Change-Id: I47fcaea999cce01c29681c7acdf456a12785a34e
display: Remove libmm-abl dependency

This lib no longer needs to be linked to any component in the
display HAL.

Change-Id: Id332d3cb22fc35e16f655d4c6127d6f1891330b0
display: Use actual kernel headers for all builds

Change-Id: I1add22c0bc33942bc8f89dbb37333bf08d49bf72
Enable build with postproc if requested

Change-Id: I426683ae7727ee4d598ffdb000e391da00450e3f
gralloc: Use new ION API by default

This conditionally reverts commit b519bb243a1537f7420a2e81bbfa91d38d4ae8dc
and reverses the logic to use OLD_ION_API since NEW_ION_API
is the default.

Change-Id: I3708dff82207844302431296ccfc29421d104442
Add support for white LEDs

Bug: 9079860
Change-Id: Icc981682a274546c1414bd7c0b0045b1293575bf