[dart:io][windows] Make unicode characters display correctly.

runtime/bin/file_android.cc

Index: runtime/bin/file_android.cc
diff --git a/runtime/bin/file_android.cc b/runtime/bin/file_android.cc
index 3eb50958cd11bab8af787e436cdec1fc3f1f971b..f1d3e4a1a2efbc5f829b51355faee2b4f34a02a3 100644
--- a/runtime/bin/file_android.cc
+++ b/runtime/bin/file_android.cc
@@ -132,6 +132,11 @@ bool File::SetPosition(int64_t position) {
 }
 
 
+// There is no difference between binary and text translation modes on this
+// platform, so this operation is a no-op.
+void File::SetTranslation(DartFileTranslation translation) {}
+
+
 bool File::Truncate(int64_t length) {
   ASSERT(handle_->fd() >= 0);
   return TEMP_FAILURE_RETRY(ftruncate(handle_->fd(), length) != -1);