[Le Audio] Move BT QR code scanner from Settingslibs to Settings

Systemui memory regression, so we have to move the qr code activity back to Settings

Bug: 228031398
Test: manual
Change-Id: Ic30291e6d752c6c770c40e1329d9f95ceec8cca6
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ae87edb..71c07a0 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -4474,6 +4474,16 @@
             </intent-filter>
         </receiver>
 
+        <activity
+            android:name="com.android.settings.bluetooth.QrCodeScanModeActivity"
+            android:permission="android.permission.BLUETOOTH_CONNECT"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.settings.BLUETOOTH_LE_AUDIO_QR_CODE_SCANNER"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
+
         <!-- This is the longest AndroidManifest.xml ever. -->
     </application>
 </manifest>