Make enum values lint friendly

Change values names' to capitals with underscores.

Bug: 160345816
Test: m statsd_testdrive && ./out/host/linux-x86/bin/statsd_testdrive 317
Change-Id: I49127b191c1b11b92a0e4ec3504f3233b405fd6a
1 file changed
tree: 66c3c58df39b8cc881a6b7fc4ff0049038e7ee36
  1. stats/