Replace withCleanCallingIdentity with [clear|restore]CallingIdentity

To prevent using @hide method - withCleanCallingIdentity() from
mainline module, use clearCallingIdentity() &
restoreCallingIdentity() instead.

Bug: 172183305
Test: FrameworksNetTests, CtsNetTestCasesLatestSdk
Change-Id: I8221bb8717ba6809c5087ea2808cd4ccef948cfd

framework/src/android/net/ConnectivityManager.java

@@ -2886,10 +2886,14 @@ public class ConnectivityManager {
         ResultReceiver wrappedListener = new ResultReceiver(null) {
             @Override
             protected void onReceiveResult(int resultCode, Bundle resultData) {
-                Binder.withCleanCallingIdentity(() ->
+                final long token = Binder.clearCallingIdentity();
+                try {
                     executor.execute(() -> {
                         listener.onTetheringEntitlementResult(resultCode);
-                            }));
+                    });
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
             }
         };