Merge "Fix out-of-order transactions (2/2)" into oc-dr1-dev am: 0436b01d

        }

    }

    // If a synchronous transaction is explicitly requested without any changes,

    // force a transaction anyway. This can be used as a flush mechanism for

    // previous async transactions.

    if (transactionFlags == 0 && (flags & eSynchronous)) {

    // If a synchronous transaction is explicitly requested without any changes, force a transaction

    // anyway. This can be used as a flush mechanism for previous async transactions.

    // Empty animation transaction can be used to simulate back-pressure, so also force a

    // transaction for empty animation transactions.

    if (transactionFlags == 0 &&

            ((flags & eSynchronous) || (flags & eAnimation))) {

        transactionFlags = eTransactionNeeded;

    }