Clean up obsolete aliases for Truth.

Bug: 255714762
Test: presubmit
Change-Id: If91e9af5409fed9d5ccdd13749a0f562c545d589
diff --git a/nearby/tests/cts/fastpair/Android.bp b/nearby/tests/cts/fastpair/Android.bp
index a61d180..66a1ffe 100644
--- a/nearby/tests/cts/fastpair/Android.bp
+++ b/nearby/tests/cts/fastpair/Android.bp
@@ -26,7 +26,7 @@
         "bluetooth-test-util-lib",
         "compatibility-device-util-axt",
         "ctstestrunner-axt",
-        "truth-prebuilt",
+        "truth",
     ],
     libs: [
         "android.test.base",