[veridex] Log when linking against private APIs.

Change-Id: Ib1f255f74ed8803fcf240c6d296f0b8813bb8554
diff --git a/tools/veridex/Android.bp b/tools/veridex/Android.bp
index 31ff682..ff181c8 100644
--- a/tools/veridex/Android.bp
+++ b/tools/veridex/Android.bp
@@ -16,6 +16,7 @@
     name: "veridex",
     host_supported: true,
     srcs: [
+        "hidden_api.cc",
         "resolver.cc",
         "veridex.cc",
     ],