Add CM Legal (1 of 2)

Allow defining a ro.cmlegal.url to for T&C and Privacy Policy

Change-Id: I45ffbdd9e472e258ed8c5a63dff0f3b9c7bc04e2
Merge "Add CM Legal (1 of 2)" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0