mm-core: Add support for proprietary IDR flag in OMX_Extns

Openmax does not have a standard way of passing IDR flag information,
so adding proprietery extension for IDR flag. With this flag, client
can differentiate between I frame and IDR frame.

Change-Id: Ife2b9e92e438e8bceb42630affe20e9e4c06a041
1 file changed