Add enrollment support for localhost for measurement testing

Bug: 285928151

Test: atest AdServicesServiceCoreUnitTests:E2EDenoisedMockTest
Test: atest AdServicesServiceCoreUnitTests:EnrollmentTest

No-Typo-Check: adding support for localhost

Change-Id: I15e9ab31b3aac28209b38c166532d97d5c3873fe
5 files changed