Revert "drm_hwcomposer: remove GLCompositor and the GLWorker thread"

This reverts commit abebc7a78fe8a4df6495c8e5064719dc92b04004.

For now until we figure out a more stable solution for SF/hwc

Change-Id: I7a505fc67873f943704e8b48db4167b9beca7691
6 files changed