Update build.gradle

Author: ShootingKing-AM

code/mobile/android/PhoneVR/app/build.gradle

@@ -168,6 +168,7 @@ dependencies {
 
     gvrImplementation 'com.google.vr:sdk-base:1.200.0@aar'
     implementation 'com.google.cardboard.sdk:cardboard-sdk:1.17.0@aar'
+    implementation 'io.github.zxing-cpp:android:2.3.0-SNAPSHOT'
     implementation 'com.google.protobuf:protobuf-javalite:3.19.4'
     implementation 'androidx.camera:camera-core:1.3.4'
     implementation 'androidx.camera:camera-view:1.3.4'