Clean up obsolete aliases for Truth.

Bug: 255714762
Test: presubmit
Change-Id: I7e29732e1e77e37cfb491521d14d2f3eb07deb36
diff --git a/wifi/tests/Android.bp b/wifi/tests/Android.bp
index 7a29969..5a0f742 100644
--- a/wifi/tests/Android.bp
+++ b/wifi/tests/Android.bp
@@ -40,7 +40,7 @@
         "frameworks-base-testutils",
         "guava",
         "mockito-target-minus-junit4",
-        "truth-prebuilt",
+        "truth",
     ],
 
     libs: [