Introduce an ogv video file to the parser file testsuite, so that we
can use it later in TimedMediaHandler parsertests.
Change-Id: I6a3b307ad9c82e9df0aeec025934d736eec8375f
The tests currently depend on them never being renamed, which is bad.
(Actual file data in git is de-duplicated automatically AFAIK.)
Change-Id: Id2440326981218f9e7d51541a168db59183fdadf