app: Do code cleanup

app/src/main/java/com/hippo/unifile/UriOutputStream.java

@@ -45,12 +45,6 @@ class UriOutputStream extends FileOutputStream {
         mPfd = pfd;
     }
 
-    @Override
-    public void close() throws IOException {
-        mPfd.close();
-        super.close();
-    }
-
     @NonNull
     static OutputStream create(Context context, Uri uri, String mode) throws IOException {
         ParcelFileDescriptor pfd;
@@ -70,4 +64,10 @@ class UriOutputStream extends FileOutputStream {
 
         return new UriOutputStream(pfd, fd);
     }
+
+    @Override
+    public void close() throws IOException {
+        mPfd.close();
+        super.close();
+    }
 }