Clean up codes, fix long lines, improve readability, etc

Update copyright date, remove unused variable, import

Change-Id: I731c48c8e5b16cbee5230f1d02109f249b8bab5d

src/com/android/settings/bluetooth/HidProfile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 The Android Open Source Project
+ * Copyright (C) 2012 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -168,7 +168,8 @@ final class HidProfile implements LocalBluetoothProfile {
         if (V) Log.d(TAG, "finalize()");
         if (mService != null) {
             try {
-                BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.INPUT_DEVICE, mService);
+                BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.INPUT_DEVICE,
+                                                                       mService);
                 mService = null;
             }catch (Throwable t) {
                 Log.w(TAG, "Error cleaning up HID proxy", t);