R1:f9c6a69d9cc4

Add skeleton code for Almanac Interfaces to have real transactions

Summary:
Depends on D19322. Ref T13120. Ref T12414.

Currently, `AlmanacDevice` has a bit of a beast of a `TYPE_INTERFACE` transaction that fully creates a complex Interface object. This isn't very flexible or consistent, and Interfaces are complex enough to reasonably have their own object behaviors (for example, they have their own PHIDs).

The complexity of this transaction makes modularizing `AlmanacDevice` transactions tricky. To…