Additional tidy up after Features.

1) Correctly hook Archive Creation up to features.
2) Remove archive creation as a preference.
3) Replace a few remaining direct references to R.bool.feature_...
4) Normalize test method naming in files.MenuManagerTest.

Bug: 35936932
Test: Build and run tests, test app manually.
Change-Id: I46db960fa17c438bb02fb3767b97dac3459c7cec