Merge "Always treat password as sufficient if no password policy is set" into oc-mr1-dev

    private boolean isActivePasswordSufficientForUserLocked(

            DevicePolicyData policy, int userHandle, boolean parent) {

        final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent);

        if (requiredPasswordQuality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) {

            // A special case is when there is no required password quality, then we just return

            // true since any password would be sufficient. This is for the scenario when a work

            // profile is first created so there is no information about the current password but

            // it should be considered sufficient as there is no password requirement either.

            // This is useful since it short-circuits the password checkpoint for FDE device below.

            return true;

        }

        if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()

                && !policy.mPasswordStateHasBeenSetSinceBoot) {

            // Before user enters their password for the first time after a reboot, return the

            return policy.mPasswordValidAtLastCheckpoint;

        }

        final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent);

        if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) {

            return false;

        }