Add support for Elasticsearch version 7.7.*

Upgrade elasticsearch-rest-client to 7.7.0.

Add V7_7 to the version manager, and use this in all the V7 tests.

Change-Id: I406ccf0bc29f38ccce8ab74f5742342bc50251d2
9 files changed
tree: 9318a9152d8ca27ab648e9bb587df1bef787e2b3
  1. java/
  2. javatests/