Developer tile for toggling desktop mode

Create a developer tile for toggling desktop windowing mode.
Relies on desktop windowing prototype flag, captions in shell flag and
freeform to be enabled.

Bug: 241944030
Test: manually verified tile is available in developer tiles
Change-Id: I0e5904ac896405ac166590972a83872cdbabb5a4
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c8c33a8..7c44a8f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -4054,6 +4054,20 @@
                        android:value="true"/>
         </service>
 
+        <service
+            android:name=".development.qstile.DevelopmentTiles$DesktopMode"
+            android:label="@string/desktop_mode"
+            android:icon="@drawable/tile_icon_desktop_mode"
+            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
+            android:exported="true"
+            android:enabled="false">
+            <intent-filter>
+                <action android:name="android.service.quicksettings.action.QS_TILE" />
+            </intent-filter>
+            <meta-data android:name="android.service.quicksettings.TOGGLEABLE_TILE"
+                android:value="true"/>
+        </service>
+
         <activity
             android:name=".HelpTrampoline"
             android:exported="true"