sdm: Add support for S3D video

1. Add property "sdm.hdmi.s3d_enable" to enable S3D mode. If property
is enabled, get best S3D supported configuration from HDMI EDID info.

2. Detect S3D flag from layer's metadata and set to layer stack.

3. Set S3D mode for HDMI according to layer's S3D format.

4. Only S3D mode Left-Right of Side-by-Side is supported.

Change-Id: I63c6a71c6712b55fcb89dc953b29f83f41f8461b
13 files changed