Make sending counter metrics as a raw value configurable

CloudWatch dashboard doesn't have built in delta function. To allow
presenting counters as a graph add configuration parameter to send
delta counters instead of actual value

Feature: Issue 13218
Change-Id: I61026be71ee82d1bed6614f4517f48c547cbd7c2
5 files changed
tree: 5d86fc59083a371adbc322ca0482f1304d7cfdf1
  1. src/
  2. BUILD
  3. external_plugin_deps.bzl