Reproduce the "OTA problem"

If an OTA adds a new module to the system partition, that module will
need the library coming from the sharedlibs APEX present in system
partition, meaning that both the /system/apex and /data/apex/active
versions of the sharedlibs APEX have to work.

Bug: 161542925
Test: atest sharedlibs_host_tests
Change-Id: I801dc3ea392735424bb6544c18398bc4b9cd0c65
17 files changed