[Java] Update to ByteBuddy 1.4.20.
[Java] Update to ByteBuddy 1.4.20.

EvilMcJerkface/Aeron,mikeb01/Aeron,real-logic/Aeron,galderz/Aeron,mikeb01/Aeron,mikeb01/Aeron,oleksiyp/Aeron,galderz/Aeron,real-logic/Aeron,gkamal/Aeron,galderz/Aeron,gkamal/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,tbrooks8/Aeron,galderz/Aeron,mikeb01/Aeron,oleksiyp/Aeron,real-logic/Aeron,tbrooks8/Aeron,EvilMcJerkface/Aeron,EvilMcJerkface/Aeron,tbrooks8/Aeron,oleksiyp/Aeron,gkamal/Aeron