Services that extend KeyguardExternalViewProviderService should also
include this newly defined action in an intent-filter within the
<service> tag in their AndroidManifest.xml. These services can also
include meta-data that defines a configuration xml which will be used
to define a settings activity that can be launched within a yet to
be defined settings/configuration UI.
Change-Id: I0a5ca09cf6f63413d067f89a9757137102dd09f6
TICKET: CYNGNOS-1687
