Add global action for screen recording. [1/2]

PS4:
Send record screen broadcast instead of using the service
directly.

Carbon PS2:
Fixup for merge conflict
Carbon PS3:
Derp, missed changes in strings/symbols
Carbon PS4:
Don't need to add immersive mode anything...

Change-Id: I15890bfd340f3f26b80159f04fdc3bafefd9679b