veyron/services/mgmt: Get rid of the term 'invoker' (one more pass)

We decided to use the term 'service' instead of 'impl' for the various
implementations of services. This change updates the remaining files
under services/mgmt to be consistent.

There is no change in functionality.

Change-Id: I2d2e883765d928a23644852548510f299925127f
9 files changed
tree: e0bf0428a834c68e39728ac744faf40d327624d8
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/