Merge "Use CHALLENGE_NONE when VerifyCredential invoked with challenge=0" into rvc-dev

    public VerifyCredentialResponse verifyCredential(LockscreenCredential credential,

            long challenge, int userId) {

        checkPasswordReadPermission(userId);

        return doVerifyCredential(credential, CHALLENGE_FROM_CALLER, challenge, userId,

        @ChallengeType int challengeType = CHALLENGE_FROM_CALLER;

        if (challenge == 0) {

            Slog.w(TAG, "VerifyCredential called with challenge=0");

            challengeType = CHALLENGE_NONE;

        }

        return doVerifyCredential(credential, challengeType, challenge, userId,

                null /* progressCallback */);

    }