hg: jdk/jdk: 8205934: Define jdk -source/-target version in version-numbers file

[erik.joelsson at oracle.com]

Changeset: eb7f2c367f73
Author:    erikj
Date:      2019-03-28 10:04 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/eb7f2c367f73

8205934: Define jdk -source/-target version in version-numbers file
Reviewed-by: tbell

! make/autoconf/jdk-version.m4
! make/autoconf/spec.gmk.in
! make/autoconf/version-numbers
! make/common/SetupJavaCompilers.gmk