Solve that Textdecode class cannot decode GBK, GB8030 and GB2312

Call the SetHwIcuDirectory() function to initialize the ICU data

issue:https://gitee.com/openharmony/js_util_module/issues/I5BC1R

Signed-off-by: xdmal <maxiaodong16@huawei.com>

util/BUILD.gn

@@ -78,6 +78,7 @@ ohos_shared_library("util") {
     "//foundation/arkui/napi",
     "//foundation/arkui/napi/native_engine",
     "//third_party/icu/icu4c/source/common",
+    "//third_party/icu/icu4c/source",
     "//third_party/node/src",
     "//foundation/arkui/napi/interfaces/kits",
     "//base/compileruntime/js_util_module/util",

util/js_textdecoder.cpp

@@ -22,6 +22,7 @@
 #include <string>
 #include <vector>
 
+#include "ohos/init_data.h"
 #include "securec.h"
 #include "unicode/unistr.h"
 #include "utils/log.h"
@@ -41,6 +42,7 @@ namespace OHOS::Util {
             }
         }
         label_ = i32Flag;
+        SetHwIcuDirectory();
         bool fatal =
         (i32Flag & static_cast<uint32_t>(ConverterFlags::FATAL_FLG)) ==
         static_cast<uint32_t>(ConverterFlags::FATAL_FLG);