tests/benchmarks/android_youtube.py: initial implementation
tests/benchmarks/android_youtube.py: initial implementation

This provides an example of how to customize and execute an
android youtube workload.

Signed-off-by: Ionela Voinescu <721bf4aa4c535b5f5f0a38815c215c0ece88733b@arm.com>

credp/lisa,mdigiorgio/lisa,arnoldlu/lisa,credp/lisa,credp/lisa,joelagnel/lisa,joelagnel/lisa,bjackman/lisa,ARM-software/lisa,ARM-software/lisa,arnoldlu/lisa,ARM-software/lisa,ARM-software/lisa,bjackman/lisa,mdigiorgio/lisa,credp/lisa