Allow a list of configs to be sent for enterprise slice

Allow a list of configs to be sent for enterprise slice
Allow device owner to set enterprise slice config
Allow enterprise apn to be configured by profile owner

Bug: 217365439
Bug: 222723840
Test: ran CTS tests
Merged-In: I82c159843d0806cbfc5eea602fbd0304e7ff04ac
Change-Id: I82c159843d0806cbfc5eea602fbd0304e7ff04ac