Fix i18n number formats in tray power displays

ash/ash_chromeos_strings.grdp

Index: ash/ash_chromeos_strings.grdp
diff --git a/ash/ash_chromeos_strings.grdp b/ash/ash_chromeos_strings.grdp
index e157049be81002285b0a180a8c89fc6c8998f31b..a7c1ae9570b77146744205bfd0f78653a0f0f8ef 100644
--- a/ash/ash_chromeos_strings.grdp
+++ b/ash/ash_chromeos_strings.grdp
@@ -374,10 +374,10 @@ Press Shift + Alt to switch.
     Calculating...
   </message>
   <message name="IDS_ASH_STATUS_TRAY_BATTERY_TIME_LEFT_SHORT" desc="The label in the tray bubble settings row to show a time estimate until the battery is empty.">
-    <ph name="hour">$1<ex>2</ex></ph>:<ph name="minute">$2<ex>53</ex></ph> left
+    <ph name="hour">{0,number,integer}<ex>2</ex></ph>:<ph name="minute">{1,number,*0##}<ex>53</ex></ph> left
   </message>
   <message name="IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL_SHORT" desc="The label in the tray bubble settings row to show a time estimate until the battery is fully charged.">
-    <ph name="hour">$1<ex>2</ex></ph>:<ph name="minute">$2<ex>53</ex></ph> until full
+    <ph name="hour">{0,number,integer}<ex>2</ex></ph>:<ph name="minute">{1,number,*0##}<ex>53</ex></ph> until full
   </message>
   <message name="IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE" desc="The label in the tray dialog to indicate that battery charging is unreliable.">
     Low-power charger