KeyguardServiceDelegate: disable DEBUG

Change-Id: Ia5476563f6ed7f9e3175233994676c038b3a8f67
PanelView: DEBUG_NAN = false

Change-Id: I8c46e531b609e6138df10359126e231b35aa9eeb
Don't register methods when there's nothing to register.

Change-Id: I6d0233f79bb90089426d702b4076ec5750e82475