Fix misaligned status text in print management app

- Status text was missing a set width, resulting in its column
  overlapping the "Date" column.

Screenshot: https://screenshot.googleplex.com/kct7u0vDHPw

Bug: 1055841
Change-Id: I9d251867a48dbacddaf7e2a0d036390c0edae751
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2264498
Commit-Queue: jimmy gong <jimmyxgong@chromium.org>
Commit-Queue: Kyle Horimoto <khorimoto@chromium.org>
Auto-Submit: jimmy gong <jimmyxgong@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782019}

chromeos/components/print_management/resources/print_job_entry.html

@@ -67,7 +67,8 @@
     </template>
 
     <template is="dom-if" if="[[!isCompletedPrintJob_(jobEntry)]]" restamp>
-      <div id="activeStatusContainer" class="padded-left flex-center">
+      <div id="activeStatusContainer"
+          class="medium-text padded-left flex-center">
         <div id="numericalProgress" aria-hidden="true">
           [[readableProgress_]]
         </div>