Refactor the audio omx tunnel setup after the PortSettingsChanged callback.
Print out seek time
Reset EOS after seek
Remove unused pause/resume/stop functions
Remove unused speed setting from audio/video players
Remove IAudioRender class
Remove local clock possibility from OMXAudio
Add OMXClock functions to get clock adjustment and to single step
Remove OMX_PLAYSPEED_ define
WIP: Initial support at ff and rew.