[fuchsia_system_metrics] Have CPU send data to Cobalt as histograms to reduce data sent

Corresponding fuchsia change:
https://fuchsia-review.googlesource.com/c/fuchsia/+/349331

Bug: 40088

Change-Id: I44163f46f7316a99f67c3538c08af1269f909192
1 file changed
tree: 5149d9e8fa9bda9ec48140d5a6e058c8c75e9a87
  1. .gitignore
  2. BUILD.gn
  3. OWNERS
  4. check.py
  5. cobalt_internal/
  6. fuchsia/
  7. projects.yaml