Merge branch 'stable-3.3' into stable-3.4

* stable-3.3:
  Do not use timer.getStartTime() when propating timers metrics

Change-Id: I1c74d27d7364c522233bf9fcffe10f56f52a02be
tree: 1ee7cca699d1b5ef8f726c108394555f6fd74ce2
  1. src/
  2. BUILD
  3. Jenkinsfile
  4. LICENSE