e2e: fix resume/full-reconnect. (#194)

* fix: full re-connect.

* chore: Reset fullReConnect state after ConnectionState is emitted.

* Support full reconnect, fix Migration, NodeFailure, FullReconnect test cases.

* revert Timeouts.connection.

* update.

* Refactor the resume/reconnect implementation.

* more changes.

* update.

* Changed to simpler reconnect/recovery logic.

* update.

* update.

* code format.

* tidy.

* bump version for flutter-webrtc.

* chore: Remove unused exception class (SignalReconnectError).

* chore: rename `fullReconnectOnNext` to `fullReconnect`.

* update.

* chore: Revert changes for `unpublishTrack`.

* chore: Reconnect signalClient when resumeConnection.

* revert `rethrow` in engine.connect.

* Use removePublishedTrack instead of unpublishTrack (RemoteParticipant).

* chore: Correctly handle PeerConnectionState for resume/full-reconnect.

* tidy.

pubspec.yaml

@@ -23,10 +23,10 @@ dependencies:
   uuid: ^3.0.6
   synchronized: ^3.0.0+3
   protobuf: ^2.1.0
-  flutter_webrtc: 0.9.11
-  dart_webrtc: 1.0.9
+  flutter_webrtc: 0.9.12
+  dart_webrtc: 1.0.10
   device_info_plus: ^6.0.0
-  webrtc_interface: 1.0.8
+  webrtc_interface: 1.0.9
 
 dev_dependencies:
   flutter_test: