Merge "EthernetTetheringTest: join handler thread after calling quitSafely" am: 78fd43ec67 am: b2007796bb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2485639

Change-Id: I1ff76ca12051f784c2acf6aa127d64f218dc68d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Tethering/tests/integration/base/android/net/EthernetTetheringTestBase.java b/Tethering/tests/integration/base/android/net/EthernetTetheringTestBase.java
index f2cf1d0..69eb58f 100644
--- a/Tethering/tests/integration/base/android/net/EthernetTetheringTestBase.java
+++ b/Tethering/tests/integration/base/android/net/EthernetTetheringTestBase.java
@@ -253,6 +253,7 @@
             if (mRunTests) cleanUp();
         } finally {
             mHandlerThread.quitSafely();
+            mHandlerThread.join();
             mUiAutomation.dropShellPermissionIdentity();
         }
     }