Ignore Java files in `node_modules/` on the build phase.
Ignore Java files in `node_modules/` on the build phase.

fixes #11822.

Signed-off-by: Masaki Muranaka <d7b49c8da6d53103f165ff7e5926cab4eda1670d@monami-ya.com>

codenvy/che,akervern/che,akervern/che,akervern/che,akervern/che,davidfestal/che,codenvy/che,codenvy/che,codenvy/che,davidfestal/che,akervern/che,akervern/che,davidfestal/che,davidfestal/che,akervern/che,akervern/che,davidfestal/che,davidfestal/che,davidfestal/che,davidfestal/che,davidfestal/che,akervern/che,davidfestal/che