Minor styling adjustments to chrome://history and embeddings

- Reduce font-size of timestamp for normal history search results
- Add some margin to the timetsamp for history embedding results

Change-Id: I6557bfc5e9dd92c7cb00be83f62e55d10b57a7b5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5697901
Reviewed-by: manuk hovanesian <manukh@chromium.org>
Commit-Queue: John Lee <johntlee@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1326882}

chrome/browser/resources/history/history_item.html

@@ -76,6 +76,7 @@
 
       #time-accessed {
         color: var(--history-item-time-color);
+        font-size: 12px;
         margin-inline-start: 6px;
         min-width: 96px;
       }

ui/webui/resources/cr_components/history_embeddings/history_embeddings.html

@@ -59,6 +59,10 @@ cr-url-list-item:hover + hr {
   opacity: 0;
 }
 
+.time {
+  margin-inline-start: 16px;
+}
+
 .footer {
   display: flex;
   align-items: center;
@@ -112,7 +116,7 @@ a {
             description="[[item.urlForDisplay]]"
             on-click="onResultClick_" on-auxclick="onResultClick_"
             as-anchor as-anchor-target="_blank" always-show-suffix>
-          <span slot="suffix">[[item.relativeTime]]</span>
+          <span class="time" slot="suffix">[[item.relativeTime]]</span>
           <cr-icon-button slot="suffix" iron-icon="cr:more-vert"
               on-click="onMoreActionsClick_">
           </cr-icon-button>