[Java] Add config_loc so checkstyle can build with Java 11.
[Java] Add config_loc so checkstyle can build with Java 11.

PKRoma/simple-binary-encoding,real-logic/simple-binary-encoding,real-logic/simple-binary-encoding,marksantos/simple-binary-encoding,marksantos/simple-binary-encoding,PKRoma/simple-binary-encoding,PKRoma/simple-binary-encoding,real-logic/simple-binary-encoding,real-logic/simple-binary-encoding,PKRoma/simple-binary-encoding,PKRoma/simple-binary-encoding,marksantos/simple-binary-encoding,marksantos/simple-binary-encoding,marksantos/simple-binary-encoding,real-logic/simple-binary-encoding,marksantos/simple-binary-encoding,PKRoma/simple-binary-encoding,PKRoma/simple-binary-encoding,real-logic/simple-binary-encoding,marksantos/simple-binary-encoding,real-logic/simple-binary-encoding,marksantos/simple-binary-encoding