Clean up obsolete aliases for Truth.

Bug: 255714762
Test: presubmit
Change-Id: Idd56488c129096c520e4e69f175778f10156a569
diff --git a/tests/Android.bp b/tests/Android.bp
index e7f4084..5a59fa8 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -85,7 +85,7 @@
         "androidx.test.uiautomator_uiautomator",
         "mockito-target-inline-minus-junit4",
         "launcher_log_protos_lite",
-        "truth-prebuilt",
+        "truth",
         "platform-test-rules",
     ],
     manifest: "AndroidManifest-common.xml",