Merge "Log errors from loading public libraries" am: 6b742588 am: 15080206

    // For now we rely on CTS test to catch things like this but

    // it should probably be addressed in the future.

    for (const auto& soname : sonames) {

      dlopen(soname.c_str(), RTLD_NOW | RTLD_NODELETE);

      LOG_ALWAYS_FATAL_IF(dlopen(soname.c_str(), RTLD_NOW | RTLD_NODELETE) == nullptr,

                          "Error preloading public library %s: %s",

                          soname.c_str(), dlerror());

    }

    public_libraries_ = base::Join(sonames, ':');