Put HDMI code in HWC under compile time flag.
This prevents crashes in use cases like HDMI used as primary.
If not done, non-existing code in gralloc is called in that
use case.
Change-Id: Ic7e792acf0c35eb12f04a74405619385d7288991
Initial HWC changes
- Add support to recognize video/camera buffers in the prepare phase
- Use overlays to draw single video/camera layers
Change-Id: I3351b3172fae12d9f6e016ff7e1a2f6a476799b3
