Add enga@chromium.org as OWNER

Bug: None
Change-Id: I18aa9c9d96e9602f9c62906892ff94eaeca3e293
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/18740
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
diff --git a/OWNERS b/OWNERS
index 06bf566..cde87a4 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,4 +1,5 @@
 cwallez@chromium.org
 kainino@chromium.org
+enga@chromium.org
 
 # COMPONENT: Internals>GPU>Dawn