Add global action for screen recording. [2/2]

See http://review.chameleonos.org/#/c/2702/ (no common commits, had to port to Carbon Fibers)

Change-Id: Ib903a3de72b3c00a5c9afec06b0c849a5bfc7aa6
Merge "Add global action for screen recording. [2/2]" into kk