Try building/testing with JDK10
Try building/testing with JDK10

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1832766 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 54c2c397616b0a9e3743c99d0688b6d8a27abc2e
benbenw/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,benbenw/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter