Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Set version to 2.16.10
  Update git submodules
  Update git submodules
  Elasticsearch: Add support and tests for version 7.2
  js.bzl: Stop using invalid join call

Change-Id: Id0ac0704ac8a7394a0a18d6cb20d56f10233e8b9
tree: 1ee9f1800be51014472f411730250e4defc83b47
  1. java/
  2. javatests/