HeadsUp: option to launch in floating window (2/2)

Change-Id: Ibbdbf7957738d2301eacc190a0ab408ce20350b5

Conflicts:
	res/values/cm_strings.xml
Settings: Remove option to pause underlying app (2/2)

Change-Id: I2c9d6711bcc737942dac41c3402193263e3b4d0c

Conflicts:
	res/values/cm_strings.xml