all pullers have a default 1s cool down before next pull. We can adjust these later. Also add puller stats in StatsdStats Test: unit test Change-Id: I71894a24c41e059d841591312dbb852f54387b7d
Test: all statsd unit test passed Change-Id: I4f6b80ba2f8c984b06e46e6de6df3e546e99a968
2/ Filter gauge fields by FieldMatcher. 3/ Wire up wakelock attribution chain. 4/ e2e test: wakelock duration metric with aggregated predicate dimensions. 5/ e2e test: count metric with multiple metric condition links for 2 predicates and 1 non-sliced predicate. Test: statsd unit test passed. Change-Id: I89db31cb068184a54e0a892fad710966d3127bc9