gn: Rename gn.bbclass to avoid collision
GN tool is not only specific to flutter, Until it's upstreamed into a shared layer let's rename it to avoid collision with other projects using gn (ie: oniro)
BTW, may I suggest to later rename it to gclient too, to prevent ambiguity with gn buid system.
Relate-to: https://gitlab.eclipse.org/eclipse/oniro-core/oniro/-/merge_requests/4 Forwarded: https://github.com/meta-flutter/meta-flutter/pulls?q=author%3Arzr Signed-off-by: Philippe Coval philippe.coval@huawei.com