Android 4.4.2 headers needed to build media interfaces


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12196 a612230a-c5fa-0310-af8b-88eea846685b
Added opus codec for Android


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12197 a612230a-c5fa-0310-af8b-88eea846685b