Merge changes Ie520c656,I222009be

* changes:
  Don't show Lightbringer disclosure dialog after 1 day since viewed.
  Fix crash on ending call.
tree: 309216e8a59f2ef5eafe5263ae890bcdd1e18334
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. CONTRIBUTING
  6. LICENSE