Update WebGL bug triage doc with link to rotation tool.

Have confirmed that rotation members can edit the rotation and
schedule new shifts.

Tbr: [email protected]
Tbr: [email protected]
Tbr: [email protected]
Bug: none
Change-Id: Ie057e38342d41ad3e1baa8aca583b604f873c8b6
Reviewed-on: https://chromium-review.googlesource.com/c/1388222
Reviewed-by: Kenneth Russell <[email protected]>
Cr-Commit-Position: refs/heads/master@{#618435}
diff --git a/docs/gpu/webgl_bug_triage.md b/docs/gpu/webgl_bug_triage.md
index 2612815e..5e71775c 100644
--- a/docs/gpu/webgl_bug_triage.md
+++ b/docs/gpu/webgl_bug_triage.md
@@ -90,4 +90,6 @@
 arise, please reach out or [swap
 shifts](https://www.chromium.org/developers/tree-sheriffs#TOC-How-to-swap).
 
-(TODO(kbr): link to the rotation tool.)
+The rotation is managed in [rota-ng](https://rota-ng.appspot.com/).
+The rotation members, as well as a few others, are owners under their
[email protected] addresses.