Merge "Fix flakes in tests running after testIsPrivateDnsBroken" am: de7eb04d71

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1749560

Change-Id: Ib7b4f8ea428c0becff28b541db84529024cddd36

tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java

@@ -729,6 +729,8 @@ public class ConnectivityManagerTest {
                     .isPrivateDnsBroken()) && networkForPrivateDns.equals(entry.getNetwork()));
         } finally {
             mCtsNetUtils.restorePrivateDnsSetting();
+            // Toggle wifi to make sure it is re-validated
+            reconnectWifi();
         }
     }