Cherry-pick 273738@main (5201724). https://bugs.webkit.org/show_bug.c…

…gi?id=268258

    webrtc::SctpTransportInformation::state_ is not initialized in default constructor
    https://bugs.webkit.org/show_bug.cgi?id=268258
    <rdar://121811341>

    Reviewed by Youenn Fablet.

    * Source/ThirdParty/libwebrtc/Source/webrtc/api/sctp_transport_interface.h:
    (webrtc::SctpTransportInformation):
    - Initialize state_ to SctpTransportState::kNew.

    Canonical link: https://commits.webkit.org/273738@main

Canonical link: https://commits.webkit.org/266719.355@webkitglib/2.42

Source/ThirdParty/libwebrtc/Source/webrtc/api/sctp_transport_interface.h

@@ -53,7 +53,7 @@ class RTC_EXPORT SctpTransportInformation {
   absl::optional<int> MaxChannels() const { return max_channels_; }
 
  private:
-  SctpTransportState state_;
+  SctpTransportState state_ { SctpTransportState::kNew }; // WEBRTC_WEBKIT_BUILD
   rtc::scoped_refptr<DtlsTransportInterface> dtls_transport_;
   absl::optional<double> max_message_size_;
   absl::optional<int> max_channels_;