PdpGroupFilter now supports filtering by latest version.  Removed a
TODO from PdpStatusMessageHandler and added the filter parameter.
Change-Id: I67983397b616d8e289c4dc79d912bb4cf26e97ae
Issue-ID: POLICY-1542
Signed-off-by: Jim Hahn <jrh3@att.com>
         Optional<PdpSubGroup> pdpSubgroup = null;
         Optional<Pdp> pdpInstance = null;
 
-        final PdpGroupFilter filter = PdpGroupFilter.builder().name(message.getPdpGroup()).build();
-        // TODO setLatestVersion()
+        final PdpGroupFilter filter = PdpGroupFilter.builder().name(message.getPdpGroup())
+                        .version(PdpGroupFilter.LATEST_VERSION).build();
         final List<PdpGroup> pdpGroups = databaseProvider.getFilteredPdpGroups(filter);
         if (!pdpGroups.isEmpty()) {
             final PdpGroup pdpGroup = pdpGroups.get(0);