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

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

Change-Id: Ie6d4655b074992075df0060d23c758f2af06387e

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>

Conflicts:
	policy/src/com/android/internal/policy/impl/GlobalActions.java