Fix Notification Clock Click events

Open clock when clicked on Time and Calendar on date
Opens Alarms when long clicked on Time and Date and Time Settings
when long clicked on date.

PS3 : Tabs!

Change-Id: Id9cf405a631a8122230e8585a13187d39a3cabda

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/ClockStock.java