Change the HaTS survey timeout for Settings page

Bug: 1060967
Change-Id: Ia79941fe20a1e6f71165a6f53c1237f53ed2cf82
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2098685Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Huanzhong Huang <huanzhong@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749605}

chrome/browser/ui/webui/settings/settings_ui.cc

@@ -136,7 +136,7 @@ constexpr char kGeneratedPath[] =
 #endif
 
 // static
-int SettingsUI::hats_timeout_ms_ = 10000;
+int SettingsUI::hats_timeout_ms_ = 20000;
 
 // static
 void SettingsUI::SetHatsTimeoutForTesting(int timeout) {