Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  AbstractQueryAccountsTest: Add byDeletedAccount to ensure consistency
  AbstractQueryGroupsTest: Add byDeletedGroup to achieve higher coverage
  Elastic{Account,Group}Index: Move the static Logger right after class
  Elastic{Account,Change,Group}Index: Make names/types explicitly private
  {Account,Change,Group}Mapping: Set package-privacy

Change-Id: Ic16048bcdda3e2f5293089d13bd6e5e82a7cd943
tree: 160d652ef4775ebf255450b078f9e81551b20336
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/