Show user status in autocomplete suggestions and account-label

Also adds setAccountStatus to gr-rest-api.

Feature: Issue 4394
Change-Id: I61797554145974ce21a134786aa4372ff10b8ab4

polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.html

diff --git a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.html b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.html
index 1d2beab..43721fe 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.html
+++ b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label.html
@@ -44,6 +44,9 @@
         <span hidden$="[[!_computeShowEmail(showEmail, account)]]">
           [[_computeEmailStr(account)]]
         </span>
+        <template is="dom-if" if="[[account.status]]">
+          <span>([[account.status]])</span>
+        </template>
       </span>
     </span>
   </template>