Fix broken test

Bug: 2731958
Change-Id: I5b16e9d7e4db4eebe6dc9a9956b90dabb54edf4e
diff --git a/src/com/android/exchange/utility/CalendarUtilities.java b/src/com/android/exchange/utility/CalendarUtilities.java
index 7c6940d..c64e6bb 100644
--- a/src/com/android/exchange/utility/CalendarUtilities.java
+++ b/src/com/android/exchange/utility/CalendarUtilities.java
@@ -929,6 +929,7 @@
         toCalendar.set(fromCalendar.get(GregorianCalendar.YEAR),
                 fromCalendar.get(GregorianCalendar.MONTH),
                 fromCalendar.get(GregorianCalendar.DATE), 0, 0, 0);
+        toCalendar.set(GregorianCalendar.MILLISECOND, 0);
         return toCalendar.getTimeInMillis();
     }