Allow multiple CDM services

Allow to create multiple CompanionDeviceManagerService.
Need to create excatly one meta-tag in the service if service is more
than one.
No need to create meta-tag if only one CDM service
Not callback for the primary service
Bug: 198539218
Test: CTS Verifier test

Change-Id: I38eb7374f0e4f784a94b4e6dc14e3ae4c05f067c