Mop up incorrect uses of IsEnterpriseManaged()
Adding Active Directory support has created ambiguity as to whether
IsEnterpriseManaged() means "cloud management" or just "any kind of
management" which used to be conflated in the past. This CL aims to
eliminate the remaining incorrect calls.
BUG=
639295
Committed:
https://crrev.com/9faf37792aadb357b5895b318f69a1a84a62bbe9
Cr-Commit-Position: refs/heads/master@{#434509}