Dialer: WFC UI requiment: Notification and Dialog for network

If under no available network situation that will show a notification
and dialog, user will come into WIFI settings menu by the positive
button which in the dialog.

Calling by WFC, if there is no available network and already have
ACCESS_COARSE_LOCATION permission, show those.

Change-Id: I9a2da86f3575c7d7670167fbf66756ce221b8ae9
CRs-Fixed: 1081377