Make policy reloads explicit.

BUG=chromium-os:38541
TEST=unit tests pass

CQ-DEPEND=I20461078ca890c6ec2f81ad5383c06c4d75a64cd

Change-Id: I042e9d1cfbefa479ff18c0b1bc170a15cec705bc
Reviewed-on: https://gerrit.chromium.org/gerrit/42538
Reviewed-by: Will Drewry <wad@chromium.org>
Commit-Queue: Julian Pastarmov <pastarmovj@chromium.org>
Tested-by: Julian Pastarmov <pastarmovj@chromium.org>
1 file changed
tree: 0f31dd16c0e89773320a3b812163bc41f72c86ff
  1. metrics/