runtimes/google/ipc: switch to using verror2.

- use verror2 in ipc.Client, but don't yet change
the return types for StartCall, Finish etc.
- this makes extensive use of local verror2 definitions
in an attempt to support internationalization of 'detailed'
error messages without bloating the number of public ones.

Change-Id: I998db3c72001fb1683751ec55f941411197a46cb
5 files changed
tree: d07814f563b9dd359907e850f5c606ade29f2aab
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/