hg: jmc/jmc: JMC-6422: Update JMC7.0 THIRDPARTYREADME with latest javamail 1.6.3 version and JavaBeans Activation Framework 1.2.1

[guru.hb at oracle.com]

Changeset: add86f36862f
Author:    ghb <guru.hb at oracle.com>
Date:      2019-03-22 02:10 +0530
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/add86f36862f

JMC-6422: Update JMC7.0 THIRDPARTYREADME with latest javamail 1.6.3 version and JavaBeans Activation Framework 1.2.1
Reviewed-by: hirt <marcus at hirt.se>, Jie Kang <jkang at redhat.com>

! license/THIRDPARTYREADME.txt