audio: enable frameworks/av bpfmt PREUPLOAD hooks

Test: treehugger
Test: repo upload -dry-run .
Bug: 333438494
Change-Id: Iaf2a6474f09c8017b883a2cb2a08ff6087cdd84d
diff --git a/media/libaaudio/src/Android.bp b/media/libaaudio/src/Android.bp
index 398ac5b..ebb7637 100644
--- a/media/libaaudio/src/Android.bp
+++ b/media/libaaudio/src/Android.bp
@@ -92,13 +92,10 @@
     cflags: [
         "-Wall",
         "-Werror",
-        // By default, all symbols are hidden.
-
-        // "-fvisibility=hidden",
-        // AAUDIO_API is used to explicitly export a function or a variable as a visible symbol.
         "-Wno-unused-parameter",
         "-Wthread-safety",
 
+        // AAUDIO_API is used to explicitly export a function or a variable as a visible symbol.
         "-DAAUDIO_API=__attribute__((visibility(\"default\")))",
     ],