Handle error as specified in https://tools.ietf.org/html/draft-ietf-quic-http-29#section-7.2.4.2 : If a server accepts 0-RTT but then sends a SETTINGS frame that omits a setting value that the client understands (apart from reserved setting identifiers) that was previously specified to have a non-default value, this MUST be treated as a connection error of type H3_SETTINGS_ERROR. Protected by quic_enable_zero_rtt_for_tls PiperOrigin-RevId: 316781779 Change-Id: If4e174766bbd65be116f14a04449611963e03c2a