cros: Prevent privacy policy link from being clickable from empty space

Bug: 819135
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I239dab7a7ee1c9394f73e2dc51b411ed7c708305
Reviewed-on: https://chromium-review.googlesource.com/954331Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Commit-Queue: Wenzhao (Colin) Zang <wzang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541893}

chrome/browser/resources/chromeos/login/arc_terms_of_service.html

@@ -24,8 +24,9 @@
         <div id="arc-tos-view-container-md" class="arc-tos-content">
           <webview id="arc-tos-view-md"></webview>
         </div>
-        <a id="arc-policy-link-md" class="arc-tos-content" href="#"
-            i18n-content="arcPolicyLink"></a>
+        <div id="arc-policy-link-md" class="arc-tos-content">
+          <a href="#" i18n-content="arcPolicyLink"></a>
+        </div>
         <div class="parameter-section arc-tos-content">
           <p id="arc-text-metrics-md"></p>
         </div>