Extract common behavior between Module and Import

Although the duplication being eliminated here is minimal follow up
changes will add more functionality that is common to Module and
Import.

Test: m nothing
Bug: 156723295
Merged-In: I1733405526764272beba63470a9bc8a958d41024
Change-Id: I1733405526764272beba63470a9bc8a958d41024
(cherry picked from commit 0d3c2e13)