veyron2/services/mgmt/node: rename node->device, cl 2 of N (go/vissue/496)

Rename node->device throughout type/method names and comments. Virtually all
mechanical replacements, except for comment reformatting.

Renaming files and packages left for future cls.

Change-Id: I49cfd04c3ae2a7e6ffed8c76f6868d5981118fcf
33 files changed
tree: feac8da62eea5c5dfb5c2115902eb0d4963bf085
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/