[Java] Upgrade to Checkstyle 8.27.
[Java] Upgrade to Checkstyle 8.27.

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