pipa: update StylusSettingsActivity for consistency

- Update copyright year to 2023-2025
- Standardize license header format to SPDX
- Add class documentation with JavaDoc
- Add basic logging for activity creation
- Standardize TAG naming convention

Signed-off-by: Abdulwahab Isam <abdoi94.iq@gmail.com>

peripheralmanager/src/org/lineageos/xiaomiperipheralmanager/StylusSettingsActivity.java

@@ -1,33 +1,31 @@
 /*
- * Copyright (C) 2023 The LineageOS Project
+ * Copyright (C) 2023-2025 The LineageOS Project
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
  */
 
 package org.lineageos.xiaomiperipheralmanager;
 
 import android.os.Bundle;
+import android.util.Log;
 
 import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity;
 
+/**
+ * Settings activity for stylus/pen configuration
+ * Hosts the StylusSettingsFragment for user configuration
+ */
 public class StylusSettingsActivity extends CollapsingToolbarBaseActivity {
 
+    private static final String TAG = "XiaomiPenSettings";
     private static final String TAG_STYLUS = "stylus";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
+        
+        Log.i(TAG, "Opening stylus settings");
+        
         getFragmentManager().beginTransaction().replace(
             com.android.settingslib.collapsingtoolbar.R.id.content_frame,
                 new StylusSettingsFragment(), TAG_STYLUS).commit();