Move some system services to separate directories

Refactored the directory structure so that services can be optionally
excluded. This is step 1. Will be followed by another change that makes
it possible to remove services from the build.

Change-Id: Ideacedfd34b5e213217ad3ff4ebb21c4a8e73f85
2 files changed
tree: 402bc8a1f614356c895d6afc754873c4e6718235
  1. core/
  2. services/