[video_player_android] update pigeon to 26.1.5 (flutter#10644)

fixes flutter/flutter#178908
```
dart run script/tool/bin/flutter_plugin_tools.dart update-dependency --pub-package pigeon --packages=video_player_android
bck-i-search: tool_
dart run script/tool/bin/flutter_plugin_tools.dart format --packages=video_player_android
```

## Pre-Review Checklist

Author: reidbaker

packages/video_player/video_player_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.9.1
+
+* Updates to Pigeon 26.1.5.
+
 ## 2.9.0
 
 * Implements `getAudioTracks()` and `selectAudioTrack()` methods for Android using ExoPlayer.

packages/video_player/video_player_android/android/src/main/kotlin/io/flutter/plugins/videoplayer/Messages.kt

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v26.1.0), do not edit directly.
+// Autogenerated from Pigeon (v26.1.5), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 @file:Suppress("UNCHECKED_CAST", "ArrayInDataClass")
 
@@ -55,7 +55,7 @@ private object MessagesPigeonUtils {
     }
     if (a is Map<*, *> && b is Map<*, *>) {
       return a.size == b.size &&
-          a.all { (b as Map<Any?, Any?>).containsKey(it.key) && deepEquals(it.value, b[it.key]) }
+          a.all { (b as Map<Any?, Any?>).contains(it.key) && deepEquals(it.value, b[it.key]) }
     }
     return a == b
   }
@@ -1144,4 +1144,8 @@ abstract class VideoEventsStreamHandler : MessagesPigeonEventChannelWrapper<Plat
           .setStreamHandler(internalStreamHandler)
     }
   }
+  // Implement methods from MessagesPigeonEventChannelWrapper
+  override fun onListen(p0: Any?, sink: PigeonEventSink<PlatformVideoEvent>) {}
+
+  override fun onCancel(p0: Any?) {}
 }