[Java] Upgrade to Checkstyle 8.7.
[Java] Upgrade to Checkstyle 8.7.

galderz/Aeron,galderz/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,galderz/Aeron,mikeb01/Aeron,real-logic/Aeron,mikeb01/Aeron,mikeb01/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,EvilMcJerkface/Aeron,galderz/Aeron,real-logic/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron