Add Jiawei to OWNERS

Bug: None
Change-Id: I6ad56cff3674f06e2d5fc48f8b337e7d1dcb7226
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/38523
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
diff --git a/OWNERS b/OWNERS
index cde87a4..ed53947 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,5 +1,6 @@
 cwallez@chromium.org
 kainino@chromium.org
 enga@chromium.org
+jiawei.shao@intel.com
 
 # COMPONENT: Internals>GPU>Dawn