Android Studio reports following problem when opening `build.gradle` of library module (Module: android-bluetooth-serial.androidBluetoothSerial): > `targetSdkVersion 28` > Google Play requires that apps target API level 29 or higher. > > No candidates found for method call targetSdkVersion. > android-bluetooth-serial.androidBluetoothSerial Recomended action: Update targetSdkVersion to 31