Make OSGi import of jdk.* packages optional (#1664)
Make OSGi import of jdk.* packages optional (#1664)

Fixes https://github.com/joel-costigliola/assertj-core/issues/1663

Signed-off-by: BJ Hargrave <3d26bb3930946e3370762d769a073cece444c2d8@bjhargrave.com>
hazendaz/assertj-core,joel-costigliola/assertj-core,assertj/assertj-core,assertj/assertj-core,joel-costigliola/assertj-core,hazendaz/assertj-core