Merge branch 'stable-3.4'

* stable-3.4:
  Decrease size of serialized ParsingQueueTask
  TestEventPublisher: performance improvement

Solves: Jira GER-1554
Change-Id: I38c160f94e71c995a2dc19336bbd475785102371
tree: b620bc2119c861c30a0fd7ba918f504f5cce7654
  1. src/
  2. BUILD
  3. external_plugin_deps.bzl