Merge "Fix flakes in tests running after testIsPrivateDnsBroken" into sc-dev am: 64168015f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/15135741

Change-Id: Ia82e72dce1742c122e711b4796db98feb6a53f24

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

@@ -737,6 +737,8 @@ public class ConnectivityManagerTest {
                     .isPrivateDnsBroken()) && networkForPrivateDns.equals(entry.getNetwork()));
         } finally {
             mCtsNetUtils.restorePrivateDnsSetting();
+            // Toggle wifi to make sure it is re-validated
+            reconnectWifi();
         }
     }