Aperture: Add missing annotations to QrScannerActivity

Change-Id: Ic920459f6edec81387efc2549f0f6222b670e13a
diff --git a/app/src/main/java/org/lineageos/aperture/QrScannerActivity.kt b/app/src/main/java/org/lineageos/aperture/QrScannerActivity.kt
index dbac278..e9e050e 100644
--- a/app/src/main/java/org/lineageos/aperture/QrScannerActivity.kt
+++ b/app/src/main/java/org/lineageos/aperture/QrScannerActivity.kt
@@ -10,6 +10,8 @@
 import org.lineageos.aperture.utils.CameraMode
 
 @androidx.camera.camera2.interop.ExperimentalCamera2Interop
+@androidx.camera.core.ExperimentalZeroShutterLag
+@androidx.camera.view.video.ExperimentalVideo
 class QrScannerActivity : CameraActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)