Add functionality to download the video if it is not preloaded. am: e1e38dd3e9
am: 5aae8ade87

Change-Id: Ic39215f578ca8b25a1c04962aabd08e45aaa5e33
tree: af43748ed0e5a9b04d3a8e99245c19d8e8ef1668
  1. res/
  2. src/
  3. Android.mk
  4. AndroidManifest.xml