Add basic resolution of Private DNS hostname

Test: as follows
    - built
    - flashed
    - booted
Bug: 34953048
Bug: 64133961
Change-Id: I0a2289ea51a9294352c91d2ead23730d9b0333a5
2 files changed
tree: b98dbea7ee1b981f43ebe32adbb13a1bccf44485
  1. core/
  2. services/
  3. tests/