Fix build - fix import of SettingsRobolectricTestRunner.

Test: Only changing imports in test files.
Change-Id: Ib0d1433983da36416b979a0eaa1bb57419150374
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationBackendTest.java b/tests/robotests/src/com/android/settings/notification/NotificationBackendTest.java
index d380900..97c0d94 100644
--- a/tests/robotests/src/com/android/settings/notification/NotificationBackendTest.java
+++ b/tests/robotests/src/com/android/settings/notification/NotificationBackendTest.java
@@ -23,7 +23,7 @@
 
 import com.android.settings.R;
 import com.android.settings.notification.NotificationBackend.AppRow;
-import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import org.robolectric.annotation.Config;