Big Switch: Don't use MagicMocks unnecessarily

Replace the mocks purely being used to block external
calls with functions that just return and don't record
calls.

Closes-Bug: #1315574
Change-Id: I79533135b5cb456d941ddffa62f5365970146a7e
Updated from global requirements

Added exclusions for newly triggered errors.

Change-Id: I580c4a6a3861c399e010f435c0b92ed719d6a418
remove E112 hacking exemption and fix errors

Change-Id: I6031ad2274c677b071a03068e5fb3c000fec7723
Partial-Bug: 1329017
Merge "Big Switch: Don't use MagicMocks unnecessarily"
Merge "Updated from global requirements"
Merge "remove E112 hacking exemption and fix errors"