Merge "ASessionDescription:Invalid index in Parse()"

                AString key, value;

                ssize_t equalPos = line.find("=");

                /* The condition 'if (line.size() < 2 || line.c_str()[1] != '=')' a few lines above

                 * ensures '=' is at position 1.  However for robustness we do the following check.

                 */

                if (equalPos < 0) {

                    return false;

                }

                key = AString(line, 0, equalPos + 1);

                value = AString(line, equalPos + 1, line.size() - equalPos - 1);