update media_codec.xml for Ayndroid 4.3.1
update media_codec.xml for Ayndroid 4.3.1

yytang2012/stagefright-plugins,omxcodec/stagefright-plugins,omxcodec/stagefright-plugins,omxcodec/stagefright-plugins,yytang2012/stagefright-plugins,yytang2012/stagefright-plugins