Fix fatal exception due to missing looper for current thread.

While creating handler for the thread, there was fatal exception getting
thrown because the present thread does not have a looper. So passing the
applications looper to be used , while creating the handler to avoid this
exception.

Change-Id: Id2e3ed61f5691c8319eb7bc20ad970eb6758e765
(cherry picked from commit f5d1769b4357fb8d86fc31f7115b55b567a20ed1)
(cherry picked from commit d0a7c5833b90fe4d8fe8f968b53a7028720ffd8c)
Revert "Remove the navigation camera icon in keyguard if disabled by DPM"

This reverts commit 6eef309ae2e85e96f276b18a4f989f2086e2cf9c. The camera
widget itself not showing is a bug with the lock screen. The navigation
icon should be displayed.

Change-Id: If6edf7e70f48a1b272d336e9a9245095af10b38f
Clock Font: Adding more styles

Change-Id: I7ff863fba0c33409f6cad28df5bf3003db2aae0f