veyron/lib/stats: Add Map object

Add a Map object to export a set of key/value pairs. The key/value pairs
can be updated atomically.

Export some system stats, including runtime.MemStats which uses the new
Map object.

Change-Id: Ib2cc9ca773df81751f60721115de08389188cfd0
6 files changed
tree: 77cc04cccbbea2ed1838a5443ff3bc6a265efb6b
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/