Change youtube metadata refs to use https. am: 934e9d0614 am: 25dcd724af am: dea0ed01bf
am: 4b7fd8d649

* commit '4b7fd8d6495d063600b52af182d2b12de4773580':
  Change youtube metadata refs to use https.

Change-Id: Ia6a3332cc938778e9106818e6069e3a9270a0bc2