OSMF SVN

[LBA] Fix RTE on seeking when using legacy content.

[LBA] Additional fix for FM-1263 (http://bugs.adobe.com/jira/browse/FM-1263)
- reset internal playhead used for audio video mixing
- reflect current playhead in sample application

[LBA] Partial fix for FM-1263 (http://bugs.adobe.com/jira/browse/FM-1263)

[LBA] Partial fix for seeking-related bugs around late-binding
- fix for FM-1251 ( http://bugs.adobe.com/jira/browse/FM-1251 )

[LBA] Bug fix for FM-1260 ( http://bugs.adobe.com/jira/browse/FM-1260 )
- NetStreamAlternativeAudioTrait didn't listen for TRANSITION_COMPLETE event from HttpNetStream to signal the end of stream change.

upload sample for review

Add sample application for LBA feature

Adding sample application for Late binding audio on HDS

[lba] Fix for FM-1262 ( http://bugs.adobe.com/jira/browse/FM-1262 )
- temporary removal of HTTPStreamingDataSource usage

Enable double click event on VideoSurface. This is done in order to make a VideoSurface object behave like a Video object (handles double click events).