Clean up obsolete aliases for Truth.

Bug: 255714762
Test: presubmit
Change-Id: I7e29732e1e77e37cfb491521d14d2f3eb07deb36
diff --git a/services/tests/InputMethodSystemServerTests/Android.bp b/services/tests/InputMethodSystemServerTests/Android.bp
index 36446f6..ffe6dc5 100644
--- a/services/tests/InputMethodSystemServerTests/Android.bp
+++ b/services/tests/InputMethodSystemServerTests/Android.bp
@@ -44,7 +44,7 @@
         "service-permission.stubs.system_server",
         "servicestests-core-utils",
         "servicestests-utils-mockito-extended",
-        "truth-prebuilt",
+        "truth",
     ],
 
     libs: [
@@ -92,7 +92,7 @@
         "service-permission.stubs.system_server",
         "servicestests-core-utils",
         "servicestests-utils-mockito-extended",
-        "truth-prebuilt",
+        "truth",
         "SimpleImeTestingLib",
         "SimpleImeImsLib",
     ],