Hide statusbar clock also for DashClock

This change hides statusbar clock now not only for cLock and default Clock
also for DashClock

cheers

Change-Id: I3f1c641df74c6a800262b3dce1474f9f1107f362

Conflicts:

	policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java