Merge "Do not check targetSdkVersion if only one package"

        if (ArrayUtils.isEmpty(packageNames)) {

            return null;

        }

        // For app op checks related to permissions all packages in the UID

        // have the same app op state, so doesn't matter which one we pick.

        // Update: due to visibility changes we want to use package with oldest target SDK,

        String packageName = packageNames[0];

        if (packageNames.length == 1) {

            return packageName;

        }

        // Due to visibility changes we want to use package with oldest target SDK

        int oldestVersion = Integer.MAX_VALUE;

        for (String name : packageNames) {

            try {