Add LOG_TAG to NetdConstants.

Bug: 7114117
Change-Id: Ifef2cfca6c1361f89ac68eead58df70efc58a8a7
diff --git a/NetdConstants.cpp b/NetdConstants.cpp
index ca869a3..db1d4cd 100644
--- a/NetdConstants.cpp
+++ b/NetdConstants.cpp
@@ -16,6 +16,8 @@
 
 #include <string.h>
 
+#define LOG_TAG "Netd"
+
 #include <cutils/log.h>
 
 #include "NetdConstants.h"