Add Num Users Metric

Bug: None
Test: num_users_test.py
Change-Id: I10123300f0c8246a286d7bcf190eda3651b4df3b
2 files changed
tree: bb41d43aa3a3fe1bf17884b41dc1fc353f52aaa0
  1. acts/
  2. tools/
  3. Android.mk
  4. PREUPLOAD.cfg