Remove all extern C
diff --git a/src/core/lib/support/log_android.cc b/src/core/lib/support/log_android.cc
index 73d24cd..648a016 100644
--- a/src/core/lib/support/log_android.cc
+++ b/src/core/lib/support/log_android.cc
@@ -39,7 +39,7 @@
   return ANDROID_LOG_DEFAULT;
 }
 
-extern "C" void gpr_log(const char* file, int line, gpr_log_severity severity,
+void gpr_log(const char* file, int line, gpr_log_severity severity,
                         const char* format, ...) {
   char* message = NULL;
   va_list args;
@@ -50,7 +50,7 @@
   free(message);
 }
 
-extern "C" void gpr_default_log(gpr_log_func_args* args) {
+void gpr_default_log(gpr_log_func_args* args) {
   const char* final_slash;
   const char* display_file;
   char* output = NULL;