Define CpuCyclesPerThreadGroupCluster atom

This atom records CPU cycles and time per thread group. It uses the
support added in b/158232997. It is a more granular verion of the
CpuCyclesPerUidCluster.

Metric Design Review: b/175198686

Bug: 173227907
Test: build
Change-Id: I50c269d05dc8f90672f903a2fcffe63404b273bf
1 file changed
tree: b0dd069b756d85e264a52b239d061af5a192c41c
  1. stats/