Merge "Don't limit Windows USB reads."

int usb_read(usb_handle *handle, void* data, int len) {

  unsigned long time_out = 0;

  unsigned long read = 0;

  int ret;

  D("usb_read %d\n", len);

  if (NULL != handle) {

  if (handle != nullptr) {

    while (len > 0) {

      int xfer = (len > 4096) ? 4096 : len;

      ret = AdbReadEndpointSync(handle->adb_read_pipe,

                                  data,

                                  (unsigned long)xfer,

                                  &read,

                                  time_out);

      int ret = AdbReadEndpointSync(handle->adb_read_pipe, data, len, &read, time_out);

      int saved_errno = GetLastError();

      D("usb_write got: %ld, expected: %d, errno: %d\n", read, xfer, saved_errno);

      D("usb_write got: %ld, expected: %d, errno: %d\n", read, len, saved_errno);

      if (ret) {

        data = (char *)data + read;

        len -= read;