This change defines the two OMX_SetParameter calls that enable OMX codecs to
interact with ANativeWindows. It also adds the plumbing to the IOMX, OMX, and
OMXNodeInstance classes to use these new APIs.
This is try 2 for this change, after reverting the first one because it broke
the build.
Change-Id: I94249b72bdb5d5719360f03d7935fcca4ece5028