Fix gn dependency.

Bug: internal b/125939889
Change-Id: I636ca19438715f364ea5c62edc7a02a340798dd8
Reviewed-on: https://chromium-review.googlesource.com/c/1487530
Commit-Queue: Minh Nguyen <mxnguyen@chromium.org>
Auto-Submit: Mohit Hotwani <hmohit@chromium.org>
Reviewed-by: Minh Nguyen <mxnguyen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635417}

extensions/browser/updater/BUILD.gn

@@ -44,5 +44,6 @@ source_set("updater") {
     "//extensions/common",
     "//extensions/strings",
     "//services/data_decoder/public/cpp",
+    "//services/identity/public/cpp",
   ]
 }