chore(distro/jbossas7): skip jbossas7 distro on jdk 9 and onwards
chore(distro/jbossas7): skip jbossas7 distro on jdk 9 and onwards

related to CAM-9206

falko/camunda-bpm-platform,falko/camunda-bpm-platform,xasx/camunda-bpm-platform,langfr/camunda-bpm-platform,langfr/camunda-bpm-platform,falko/camunda-bpm-platform,langfr/camunda-bpm-platform,falko/camunda-bpm-platform,xasx/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,xasx/camunda-bpm-platform,xasx/camunda-bpm-platform,falko/camunda-bpm-platform,langfr/camunda-bpm-platform,camunda/camunda-bpm-platform,camunda/camunda-bpm-platform,camunda/camunda-bpm-platform,camunda/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,langfr/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,xasx/camunda-bpm-platform,camunda/camunda-bpm-platform,ingorichtsmeier/camunda-bpm-platform,xasx/camunda-bpm-platform,falko/camunda-bpm-platform,camunda/camunda-bpm-platform,langfr/camunda-bpm-platform