Clean up obsolete aliases for Truth.

Bug: 255714762
Test: presubmit
Change-Id: I7e29732e1e77e37cfb491521d14d2f3eb07deb36
Merged-In: I7e29732e1e77e37cfb491521d14d2f3eb07deb36
diff --git a/services/robotests/backup/Android.bp b/services/robotests/backup/Android.bp
index 506e156..66ee696 100644
--- a/services/robotests/backup/Android.bp
+++ b/services/robotests/backup/Android.bp
@@ -58,7 +58,7 @@
         "mockito-robolectric-prebuilt",
         "platform-test-annotations",
         "testng",
-        "truth-prebuilt",
+        "truth",
     ],
 
     instrumentation_for: "BackupFrameworksServicesLib",