Add Machine Provider ui parts

appengine/swarming/elements/res/imp/botpage/bot-page-data.html

Index: appengine/swarming/elements/res/imp/botpage/bot-page-data.html
diff --git a/appengine/swarming/elements/res/imp/botpage/bot-page-data.html b/appengine/swarming/elements/res/imp/botpage/bot-page-data.html
index 272211063a869de395e7708138986f337280fbd3..1dbf1ebe52f0d63759bffd85cb4efcd4eb7b1e3b 100644
--- a/appengine/swarming/elements/res/imp/botpage/bot-page-data.html
+++ b/appengine/swarming/elements/res/imp/botpage/bot-page-data.html
@@ -55,7 +55,7 @@
     var BOT_ID_DEBOUNCE_MS = 400;
     var lastRequest;
 
-    var BOT_TIMES = ["first_seen_ts", "last_seen_ts"];
+    var BOT_TIMES = ["first_seen_ts", "last_seen_ts", "lease_expiration_ts"];
     var TASK_TIMES = ["started_ts", "completed_ts", "abandoned_ts", "modified_ts"];
 
     var timezone;