mm-video: vidc: Add support for NV21 in encoder

If SetParameter(OMX_IndexParamPortDefinition) is called with
OMX_IndexParamPortDefinition.eColorFormat =
QOMX_COLOR_FormatYVU420SemiPlanar, the encoder will be configured to
handle in buffers in NV21 mode.

Change-Id: I91dd40bea45048e6f907175a92d5a730894d2434
1 file changed