This now covers the actual calls to libvintf, and asserts we're getting
identical results through verify_package_compatibility() and by calling
libvintf directly.
We were missing the coverage and introduced the double free bug (fixed
by commit f978278995).
Bug: 37413730
Test: recovery_component_test passes.
Test: recovery_component_test fails w/o commit
f978278995.
Change-Id: If5195ea1c583fd7c440a1de289da82145e80e23c
(cherry picked from commit f2784b6a43)