Send domains through Parcel#writeBlob to avoid size limit

If the domains in each data class exceed 32 KB, serializes them using
writeBlob so that they get passed through shared memory rather than
the Binder transaction.

Bug: 177553185

Test: atest DomainVerificationCoreApiTest

Change-Id: I0dd4bd140c8b847eb604d8e42272ca5be5690731