[Java] Disable jar and shadow tasks in root project.
[Java] Disable jar and shadow tasks in root project.

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