[icu] Support loading data file from default location

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 42c59538337a39db3796c733a51dcd2c23a693b9..7f5ea85501dd3ef6ee353c66b38145c9cf914fe3 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -5520,6 +5520,10 @@ bool v8::V8::InitializeICU(const char* icu_data_file) {
   return i::InitializeICU(icu_data_file);
 }
 
+bool v8::V8::InitializeICUDefaultLocation(const char* exec_path,
+                                          const char* icu_data_file) {
+  return i::InitializeICUDefaultLocation(exec_path, icu_data_file);
+}
 
 void v8::V8::InitializeExternalStartupData(const char* directory_path) {
   i::InitializeExternalStartupData(directory_path);