Revise generation of go/lem benchmarking tarball

Since apex_available change we need to copy libraries explicitly from
APEX to system/{lib,lib64}.

Build the Conscrypt APEX too in case any tests depend on crypto.

Bug: 129332183
Test: Build golem tarball and run ArrayListStress on 32-bit ARM
      dev board.

Change-Id: I310ecd98da9530f653e8c7d0c8368ba2e08f33ff
2 files changed