Uptesting is moving folks to /external/robolectric from /external/robolectric-shadows

We maintain /external/robolectric (keep it in sync with github/google3) and are getting ready to delete /external/robolectric-shadows

Bug: 314757990
Test: atest same failing tests before and after in services/robotests.
Flag: NA

Change-Id: Ie3d2e902ffcba6b9d159b78592f7d6ce31288a2f
diff --git a/services/robotests/backup/Android.bp b/services/robotests/backup/Android.bp
index 66ee696..fba2cad 100644
--- a/services/robotests/backup/Android.bp
+++ b/services/robotests/backup/Android.bp
@@ -56,6 +56,8 @@
     // Include the testing libraries
     libs: [
         "mockito-robolectric-prebuilt",
+        "Settings-robo-testutils",
+        "SettingsLib-robo-testutils",
         "platform-test-annotations",
         "testng",
         "truth",
@@ -63,4 +65,6 @@
 
     instrumentation_for: "BackupFrameworksServicesLib",
 
+    upstream: true,
+
 }