Fix fuzzer output on failure and shared_libs

This will help debug failures in the fuzzer and declare properly
the shared_lib dependency on libc++ instead of assuming the
common libs available.

Test: ABTD https://android-build.corp.google.com/abtd/run/L45900030007859592/?referrer=email
Bug: 355009651

Change-Id: I93dc2907389968b78fc59c57162ac9499f1a5704