sdm: Add SetBlendSpace Interface

- Add support to send the blend space info from SDM
  to extension lib.
- Detemine the Blend space from the color mode set
  by client.
- Add support for color modes for Pluggable displays.
- Enable TARGET_HAS_WIDE_COLOR_DISPLAY

Change-Id: I86b2e573a46bce3e9e1f385ded81cb296362c528
CRs-Fixed: 2247581
14 files changed