Change hostname format to conform to specification

Underscore is not allowed as per RFC 952

Bug: 5348537
Change-Id: I618c137fd54ecf36cece3b9eba39c51cda3aeac3
1 file changed
tree: 5a33f1e5f97686123c85961749caa25ac226a4ab
  1. core/
  2. services/