Revert "android: temporarily remove quick settings tile"

This reverts commit edb3f5b0c5.

Signed-off-by: Percy Wegmann <percy@tailscale.com>

android/src/main/AndroidManifest.xml

@@ -46,6 +46,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
                 <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.service.quicksettings.action.QS_TILE_PREFERENCES" />
+            </intent-filter>
         </activity>
         <activity
             android:name="ShareActivity"
@@ -98,6 +101,16 @@
                 <action android:name="android.net.VpnService" />
             </intent-filter>
         </service>
+        <service
+            android:name=".QuickToggleService"
+            android:exported="true"
+            android:icon="@drawable/ic_tile"
+            android:label="@string/tile_name"
+            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
+            <intent-filter>
+                <action android:name="android.service.quicksettings.action.QS_TILE" />
+            </intent-filter>
+        </service>
 
         <meta-data
             android:name="android.content.APP_RESTRICTIONS"