[camera_android_camerax][video_player_android] Suppresses deprecation of the SurfaceProducer.Callback.onSurfaceDestroyed method (flutter#8388)

See flutter/flutter#161256

This was causing errors with the Flutter->Packages roller:

```
> Task :camera_android_camerax:compileDebugJavaWithJavac
/b/s/w/ir/x/w/packages/packages/camera/camera_android_camerax/android/src/main/java/io/flutter/plugins/camerax/PreviewHostApiImpl.java:92: warning: [removal] onSurfaceDestroyed() in Callback has been deprecated and marked for removal
              public void onSurfaceDestroyed() {
                          ^
error: warnings found and -Werror specified
1 error
1 warning
```

Author: bparrishMines

packages/camera/camera_android_camerax/CHANGELOG.md

@@ -1,3 +1,8 @@
+## NEXT
+
+* Suppresses deprecation and removal warnings for
+  `TextureRegistry.SurfaceProducer.onSurfaceDestroyed`.
+
 ## 0.6.11
 
 * Replaces deprecated Android embedder APIs (`onSurfaceCreated` -> `onSurfaceAvailable`).

packages/camera/camera_android_camerax/android/src/main/java/io/flutter/plugins/camerax/PreviewHostApiImpl.java

@@ -89,6 +89,9 @@ public void onSurfaceAvailable() {
               }
 
               @Override
+              // TODO(bparrishMines): Replace with onSurfaceCleanup once available on stable. See
+              // https://github.com/flutter/flutter/issues/161256.
+              @SuppressWarnings({"deprecation", "removal"})
               public void onSurfaceDestroyed() {
                 // Invalidate the SurfaceRequest so that CameraX knows to to make a new request
                 // for a surface.

packages/video_player/video_player_android/CHANGELOG.md

@@ -1,3 +1,8 @@
+## NEXT
+
+* Suppresses deprecation and removal warnings for
+  `TextureRegistry.SurfaceProducer.onSurfaceDestroyed`.
+
 ## 2.7.17
 
 * Replaces deprecated Android embedder APIs (`onSurfaceCreated` -> `onSurfaceAvailable`).

packages/video_player/video_player_android/android/src/main/java/io/flutter/plugins/videoplayer/VideoPlayer.java

@@ -94,6 +94,9 @@ public void onSurfaceAvailable() {
   }
 
   @RestrictTo(RestrictTo.Scope.LIBRARY)
+  // TODO(bparrishMines): Replace with onSurfaceCleanup once available on stable. See
+  // https://github.com/flutter/flutter/issues/161256.
+  @SuppressWarnings({"deprecation", "removal"})
   public void onSurfaceDestroyed() {
     // Intentionally do not call pause/stop here, because the surface has already been released
     // at this point (see https://github.com/flutter/flutter/issues/156451).