hg: code-tools/jtreg: 7902348: wrong @NonNull annotation breaks plugin with 2018.3

[maurizio.cimadamore at oracle.com]

Changeset: bd7ffba875ee
Author:    mcimadamore
Date:      2018-11-22 11:16 +0000
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/bd7ffba875ee

7902348: wrong @NonNull annotation breaks plugin with 2018.3
Reviewed-by: jjg

! plugins/idea/resources/META-INF/plugin.xml
! plugins/idea/src/com/oracle/plugin/jtreg/configuration/JTRegConfiguration.java