Merge "Add failure logs in __ashmem_open_locked()" am: 546cf270 am: e5c827a2 am: 670919dd

    // fallback for APEX w/ use_vendor on Q, which would have still used /dev/ashmem

    if (fd < 0) {

        int saved_errno = errno;

        fd = TEMP_FAILURE_RETRY(open("/dev/ashmem", O_RDWR | O_CLOEXEC));

    }

        if (fd < 0) {

            /* Q launching devices and newer must not reach here since they should have been

             * able to open ashmem_device_path */

            ALOGE("Unable to open ashmem device %s (error = %s) and /dev/ashmem(error = %s)",

                  ashmem_device_path.c_str(), strerror(saved_errno), strerror(errno));

            return fd;

        }

    }

    struct stat st;

    int ret = TEMP_FAILURE_RETRY(fstat(fd, &st));

    if (ret < 0) {