[DS-218] autologout: Don't log out if user is playing a video #17

[aleevas]

DS-218

Steps to test:

• enable the Virtual Y Autologout module (with all dependencies)
• create demo content for Virtual Y
• create one video with youtube video and one with vimeo video
• go to /admin/virtual-y/openy-gc-autologout
• set timeout to 60 sec and save
• go to the Virtual Y landing page
• verify that after 60-80 sec you will be logged out from Virtual Y
• login again and go to vimeo video page
  • verify that if the video is playing you don't logged out from Virtual Y
  • verify that if you pause the video, then you will be logged out ~60sec
• verify previous steps for the youtube video

Quality checks:

Please check these boxes to confirm this PR covers the following cases:

• Maintaining our upgrade path is essential. Check one or the other:
  • This PR provides updates via hook_update_N or other means.
  • No updates are necessary for this change.
• Front end fixes should be tested against all of the Open Y Themes.
  • Tested against Carnation
  • Tested against Lily
  • Tested against Rose
  • This change does not contain front-end fixes.
• I have flagged this PR "Needs Review" or pinged the VY devs/QA
  team in Slack