Hook netlink interface notification up to fwk.

The java api was there to get callbacks but the middle piece was missing.
Also has one const defined for USB control that is part of a seperate change, but no harm.
diff --git a/NetlinkManager.cpp b/NetlinkManager.cpp
index e031dc5..634fd4d 100644
--- a/NetlinkManager.cpp
+++ b/NetlinkManager.cpp
@@ -72,7 +72,7 @@
         return -1;
     }
 
-    mHandler = new NetlinkHandler(mSock);
+    mHandler = new NetlinkHandler(this, mSock);
     if (mHandler->start()) {
         LOGE("Unable to start NetlinkHandler: %s", strerror(errno));
         return -1;