[MS02] Write the skeleton for the IP memory store.

This implements a minimal contract for the IP Memory Store
feature.

Test: Created new tests for parcelable code. For the rest, created
      empty tests, but there is no logic, it's boilerplate day
Bug: 116512211
Change-Id: I15dc6275b370d671385ddfdb058a8b8d39952d6e
19 files changed