ElasticIndexVersionDiscovery: Convert to Java stream API

Change-Id: Icc0e99f5c0712c5a672848ec2352bf4e9abcf159
1 file changed
tree: d4a1a2b72367c44252cd4a79ac72f4d5b5cf8652
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/