Adapt events-eiffel for stable-3.8

Solves: Jira GER-2331
Change-Id: I9e881327eba05dfefad4a92f4736991fd86d091e
tree: 0093d7b9f61c07eaaafc7db1c6c08c77c2aa5219
  1. src/
  2. BUILD
  3. external_plugin_deps.bzl