RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/web-sys/webidls/enabled/RTCRtpReceiver.webidl

@@ -0,0 +1,28 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://lists.w3.org/Archives/Public/public-webrtc/2014May/0067.html
+ */
+
+[Pref="media.peerconnection.enabled",
+ JSImplementation="@mozilla.org/dom/rtpreceiver;1"]
+interface RTCRtpReceiver {
+  readonly attribute MediaStreamTrack   track;
+  Promise<RTCStatsReport>               getStats();
+  [Pref="media.peerconnection.rtpsourcesapi.enabled"]
+  sequence<RTCRtpContributingSource>    getContributingSources();
+  [Pref="media.peerconnection.rtpsourcesapi.enabled"]
+  sequence<RTCRtpSynchronizationSource> getSynchronizationSources();
+
+  [ChromeOnly]
+  undefined setStreamIds(sequence<DOMString> streamIds);
+  [ChromeOnly]
+  undefined setRemoteSendBit(boolean sendBit);
+  [ChromeOnly]
+  undefined processTrackAdditionsAndRemovals(
+      RTCRtpTransceiver transceiver,
+      object postProcessing);
+};