Put most of netd into the android::net namespace.

Test: netd_{unit,integration}_test pass
Test: bullhead builds, boots
Bug: 34873832
Change-Id: I0a252328041b342f9c03cd08c11a69d452b045b3
diff --git a/server/NetlinkManager.h b/server/NetlinkManager.h
index 40a5722..d5d18b2 100644
--- a/server/NetlinkManager.h
+++ b/server/NetlinkManager.h
@@ -20,6 +20,8 @@
 #include <sysutils/SocketListener.h>
 #include <sysutils/NetlinkListener.h>
 
+namespace android {
+namespace net {
 
 class NetlinkHandler;
 
@@ -59,4 +61,8 @@
     NetlinkHandler* setupSocket(int *sock, int netlinkFamily, int groups,
         int format, bool configNflog);
 };
+
+}  // namespace net
+}  // namespace android
+
 #endif