Send DC info for syncState (#88)

* dc private methods

* impl

* pub

* id

* fix test

example/macos/Podfile.lock

@@ -51,4 +51,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
 
-COCOAPODS: 1.11.2
+COCOAPODS: 1.11.3

example/pubspec.lock

@@ -56,7 +56,7 @@ packages:
       name: dart_webrtc
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   device_info_plus:
     dependency: transitive
     description:
@@ -176,7 +176,7 @@ packages:
       name: flutter_webrtc
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.3"
+    version: "0.8.5"
   google_fonts:
     dependency: "direct main"
     description:
@@ -510,7 +510,7 @@ packages:
       name: webrtc_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   win32:
     dependency: transitive
     description: