Always prepend the format for the file into the downloaded filepath to
ensure matching is correctly performed. Previously the ogg file did not
specify this causing it to be re-downloaded for each run.
To improve reproducibility of tests, it could help to ensure that the
same screen orientation is used on media playback.
This adds a new workload parameter which allows to ensure a LANDSCAPE
mode, which can be useful to better represent video playback scenarios.
When not enforced by the agenda, we enforce a PORTRAIT orientation.
Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>