[move-only] Add support for explicit_copy_addr in a few places in MemAccessUtils that I missed when introducing the instruction.
[move-only] Add support for explicit_copy_addr in a few places in MemAccessUtils that I missed when introducing the instruction.

I discovered these were missing when using explicit_copy_addr with the move only
address checker.

apple/swift,glessard/swift,roambotics/swift,glessard/swift,glessard/swift,apple/swift,benlangmuir/swift,roambotics/swift,benlangmuir/swift,glessard/swift,apple/swift,benlangmuir/swift,benlangmuir/swift,glessard/swift,glessard/swift,roambotics/swift,roambotics/swift,benlangmuir/swift,roambotics/swift,apple/swift,benlangmuir/swift,apple/swift,apple/swift,roambotics/swift