UI: roll canary to pick-up aosp/1734974

Bug: 190794702
Change-Id: I78a4a5ff453706551ce064315b2d09ec890ade4e
diff --git a/ui/release/channels.json b/ui/release/channels.json
index 90acc1f..3d50e0b 100644
--- a/ui/release/channels.json
+++ b/ui/release/channels.json
@@ -6,7 +6,7 @@
     },
     {
       "name": "canary",
-      "rev": "3e21f613f20779c04b0bcc937f2605b9b05556ad"
+      "rev": "39b17791a5aa65bc22c7862e2f19b65c413fab2b"
     },
     {
       "name": "autopush",