Delay hiding the cast icon for 3 seconds. DO NOT MERGE am: 446dcc9ed7 am: 4db8c18755 am: 5da8453866 am: 625c731ccd
am: 170e9d17ec  -s ours

* commit '170e9d17ec9fe2d1eb29c322450ca5170cbf3e7e':
  Delay hiding the cast icon for 3 seconds. DO NOT MERGE