* stable-2.14:
Remove unnecessary annotations from reindex test classes
AbstractReindexTests: Assert account index and group index
AbstractElasticIndex: Rename getActions to getDeleteActions
dev-bazel: Improve documentation of build caches
Hoist declaration of TestName up to GerritBaseTests
Bazel: Replace native {http,git}_archive with Skylark rules
Bazel: Bump rules_closure to 0.7.0
dev-contributing: Update link to buildifier tool
dev-contributing: Update buildifier to latest released version
Bump minimum Bazel version to 0.14.0 and activate caches
Change-Id: I27a88f0887b0d1e3af92fe2934d9e54222012e0f