ConnectivityServiceTest can not start QuicConnectionCloser and was
getting the following error.
The interaction between ConnectivityService and QuicConnectionCloser is
already covered by CSDestroySocketTest.
```
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: [SkDestroyListener] ERROR Failed to create rtnetlink socket: socket failed: EACCES (Permission denied)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: android.system.ErrnoException: socket failed: EACCES (Permission denied)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at libcore.io.Linux.socket(Native Method)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at libcore.io.ForwardingOs.socket(ForwardingOs.java:821)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:402)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at libcore.io.ForwardingOs.socket(ForwardingOs.java:821)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.system.Os.socket(Os.java:834)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.net.connectivity.com.android.net.module.util.ip.NetlinkMonitor.createFd(NetlinkMonitor.java:127)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.net.connectivity.com.android.net.module.util.FdEventsReader.createAndRegisterFd(FdEventsReader.java:217)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.net.connectivity.com.android.net.module.util.FdEventsReader.start(FdEventsReader.java:111)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.net.connectivity.com.android.server.connectivity.QuicConnectionCloser$$ExternalSyntheticLambda1.run(D8$$SyntheticClass:0)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.os.Handler.handleCallback(Handler.java:959)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.os.Handler.dispatchMessage(Handler.java:100)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.os.Looper.loopOnce(Looper.java:232)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.os.Looper.loop(Looper.java:317)
08-26 18:53:53.469 6243 11101 E QuicConnectionCloser: at android.os.HandlerThread.run(HandlerThread.java:85)
```
Bug: 311792075
Test: atest ConnectivityServiceTest
Flag: EXEMPT test only change
Change-Id: I8ae1033b2ea655ebc26300aac19ec4d8cbdc047d
a74f8c7782