Address leftover comments on aosp/894233

Cherry-pick from commit 415f523f7ce4c7e33fa70ea003f265e5b53faa20,
with small conflict resolution.

Bug: 129510344
Test: m, boots, wifi connects, resolves DNS
Change-Id: Idf24f42a86bbfcc89e3ea8cf50d1b705d72ac613
Merged-In: Idf24f42a86bbfcc89e3ea8cf50d1b705d72ac613
Merged-In: Ia08104f839ef37139a8761e2e625bb10c94c275f

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

@@ -1767,11 +1767,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
             // caller type. Need to re-factor NetdEventListenerService to allow multiple
             // NetworkMonitor registrants.
             if (nai != null && nai.satisfies(mDefaultRequest)) {
-                try {
-                    nai.networkMonitor().notifyDnsResponse(returnCode);
-                } catch (RemoteException e) {
-                    e.rethrowFromSystemServer();
-                }
+                Binder.withCleanCallingIdentity(() ->
+                        nai.networkMonitor().notifyDnsResponse(returnCode));
             }
         }