Index: bionic-8.1.0_p41/system/core/libutils/Android.bp
===================================================================
--- bionic-8.1.0_p41.orig/system/core/libutils/Android.bp
+++ bionic-8.1.0_p41/system/core/libutils/Android.bp
@@ -99,8 +99,6 @@ cc_library {
                 "Trace.cpp",
             ],
 
-            cflags: ["-fvisibility=protected"],
-
             shared_libs: [
                 "libbacktrace",
                 "libcutils",