Refactor rust to use AndroidMkEntries

This is to facilitate consolidation of compatibility suite logic.

Bug: 170318013
Test: go soong tests
Test: m nothing & compare soong Android mk files -- only diffs are
      elimination of duplicate LOCAL_UNINSTALLABLE_MODULE := true lines
(cherry picked from commmit I76211505b2b6afde5d0431586b77d799cf70c6b9)
Merged-In: I76211505b2b6afde5d0431586b77d799cf70c6b9

Change-Id: I4391e2e079a6c205a34376b32e8c149b9d98538f