Field number for <code>get</code> and <code>set</code>
indicating the raw offset from GMT in milliseconds.
<p>
This field reflects the correct GMT offset value of the time
zone of this <code>Calendar</code> if the
<code>TimeZone</code> implementation subclass supports
historical GMT offset changes.
Field number for <code>get</code> and <code>set</code> indicating the raw offset from GMT in milliseconds. <p> This field reflects the correct GMT offset value of the time zone of this <code>Calendar</code> if the <code>TimeZone</code> implementation subclass supports historical GMT offset changes.