Launch NetD in a different thread

Calling run() launches in the current thread;
we want to call start() to launch in a separate
thread to unblock system initialization.

Bug: none
Test: compilation
Change-Id: Ia85059100add6a44a5e3262500b00ba8ca21e125

services/core/java/com/android/server/IpSecService.java

@@ -402,17 +402,14 @@ public class IpSecService extends IIpSecService.Stub {
 
     private void connectNativeNetdService() {
         // Avoid blocking the system server to do this
-        Thread t =
-                new Thread(
-                        new Runnable() {
+        new Thread() {
             @Override
             public void run() {
                 synchronized (IpSecService.this) {
                     NetdService.get(NETD_FETCH_TIMEOUT);
                 }
             }
-                        });
-        t.run();
+        }.start();
     }
 
     INetd getNetdInstance() throws RemoteException {