Don't link with mediametrics headers symlinks

Bug: 143245419
Test: build
Change-Id: Id0a76cb571812168ca277aef6ff02d5aead266ca
diff --git a/media/tests/audiotests/Android.bp b/media/tests/audiotests/Android.bp
index 8ef7694..5db0ab0 100644
--- a/media/tests/audiotests/Android.bp
+++ b/media/tests/audiotests/Android.bp
@@ -14,6 +14,10 @@
         "libaudioclient",
     ],
 
+    header_libs: [
+        "libmediametrics_headers",
+    ],
+
     cflags: [
         "-Wall",
         "-Werror",