[video_player] Migrate to pigeon-generated code (#496)

Author: swift-kim

packages/video_player/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.4.3
+
+* Migrate to in-package pigeon-generated code.
+
 ## 2.4.2
 
 * Add a queue for storing decoded media packet.

packages/video_player/README.md

@@ -29,7 +29,7 @@ This package is not an _endorsed_ implementation of `video_player`. Therefore, y
 ```yaml
 dependencies:
   video_player: ^2.4.2
-  video_player_tizen: ^2.4.2
+  video_player_tizen: ^2.4.3
 ```
 
 Then you can import `video_player` in your Dart code: