Merge "Credential storage: check lock quality for right user" into nyc-dev

     * Returns true if the currently set key guard matches our minimum quality requirements.

     */

    private boolean checkKeyGuardQuality() {

        UserInfo parent = UserManager.get(this).getProfileParent(UserHandle.myUserId());

        int quality = new LockPatternUtils(this).getActivePasswordQuality(

                parent != null ? parent.id : UserHandle.myUserId());

        int credentialOwner =

                UserManager.get(this).getCredentialOwnerProfile(UserHandle.myUserId());

        int quality = new LockPatternUtils(this).getActivePasswordQuality(credentialOwner);

        return (quality >= MIN_PASSWORD_QUALITY);

    }