Move o.e.e4.tools.tests to Java 11 Change-Id: Id02d2aea1431bf76ed256f29e7bbf4d62fa1776a Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui.tools/+/186714 Tested-by: Platform Bot <platform-bot@eclipse.org> Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>