[cobalt] Add metric measuring the size of uploaded Observation Batches
per project.

Bug:40088

Change-Id: Ic043819b6207151cf72e8b9daa2830f53349e7b6
1 file changed
tree: c9e9700295c77c755eeb18179bcf009c3be5bb15
  1. .gitignore
  2. BUILD.gn
  3. OWNERS
  4. check.py
  5. cobalt_internal/
  6. fuchsia/
  7. projects.yaml