Make sure live streamed http live content does not start playing from the very beginning.

The different bandwidth streams may not all start on the same seqnum, so switching bandwidths may fail lateron if we start playing from the very beginning.

Change-Id: I03df8d1f44b3f7b4713d381a3d97847997e3ee59
related-to-bug: 2368598
1 file changed