arc: ARC loading progress should not be shown when started from OOBE.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index df42aa6bc0ac573c52587c2dec6e79aec4f7ca81..53f50a306e76cef0f2f15be7863b99f0cea8c362 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -2376,6 +2376,7 @@ test("browser_tests") {
         "../browser/ui/webui/signin/user_manager_ui_browsertest.cc",
       ]
       deps += [
+        "//chrome/browser/chromeos:arc_test_support",
         "//chromeos/ime:gencode",
         "//components/arc:arc_test_support",
         "//components/user_manager:test_support",