Revert "Thread-safe metric producers."

This reverts commit cb71337699d3cc589059083b28d09a6b4c011684.

Change-Id: Ieae841bfc5339b569f0fca909a6066de72806617
11 files changed
tree: e26d12707d9adb715868af9b6603dad3354c03d2
  1. bin/