Fix android_compile_(x86|x64)_dbg bots

Commit 5fc24a75 is confirmed to have broken these bots; however, after
local testing it was determined that it was just the removal of this
dependency that caused the break.

Bug: 1027334
Change-Id: I794f6702014affe986a2ddf0dd27f1a66a60cfc5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1931157
Auto-Submit: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Ken Rockot <rockot@google.com>
Reviewed-by: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/master@{#718273}

chrome/app/BUILD.gn

@@ -422,6 +422,7 @@ source_set("chrome_content_browser_overlay_manifest") {
     "//chrome/common:mojo_bindings",
     "//chrome/common:offline_page_auto_fetcher_mojom",
     "//chrome/common/media_router/mojom:media_router",
+    "//chrome/test/data:web_ui_test_bindings",
     "//components/autofill/content/common/mojom",
     "//components/contextual_search/content/common/mojom",
     "//components/data_reduction_proxy/core/common:interfaces",