[dart:io][windows] Use WriteFile instead of _write

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 b226a51effaa120f9992ef6ed9fda4e281a5ac9b..2196619b1e45f88d992f01636f80f43c28d257be 100644
--- a/runtime/bin/file_android.cc
+++ b/runtime/bin/file_android.cc
@@ -153,11 +153,6 @@ 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);