Align with upstream branch.

* aosp/upstream-main:
  drm_hwcomposer: Implement getHdrCapabilities and getColorModes
  drm_hwcomposer: Set HDR metadata on the connector
  drm_hwcomposer: Add method GetOptionalConnectorProperty
  drm_hwcomposer: Fix bitmask property mask creation

Change-Id: Iebc24f7ad36c8e4ef547a01273016828e4f2ddd4
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>