Move type specifiers from property name constants to the corresponding component annotations

Change-Id: Id5e3b669721ecf076a010cc4783b9e6b33e6fca0
diff --git a/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java b/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
index a160ae0..0f6a5ac 100644
--- a/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
+++ b/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
@@ -78,8 +78,8 @@
             GroupProviderRegistry.class
         },
         property = {
-            GM_POLL_FREQUENCY + "=" + GM_POLL_FREQUENCY_DEFAULT,
-            GM_PURGE_ON_DISCONNECTION + "=" + GM_PURGE_ON_DISCONNECTION_DEFAULT
+            GM_POLL_FREQUENCY + ":Integer=" + GM_POLL_FREQUENCY_DEFAULT,
+            GM_PURGE_ON_DISCONNECTION + ":Boolean=" + GM_PURGE_ON_DISCONNECTION_DEFAULT
         }
 )
 public class GroupManager