[bluez/bluez] d9497e: iso-tester: Test BT_DEFER_SETUP works with getsockopt

[Luiz Augusto von Dentz <noreply@xxxxxxxxxx>]

  Branch: refs/heads/master
  Home:   https://github.com/bluez/bluez
  Commit: d9497e0001c050a7e3ef0fd87fb03bce7b331879
      https://github.com/bluez/bluez/commit/d9497e0001c050a7e3ef0fd87fb03bce7b331879
  Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
  Date:   2022-08-04 (Thu, 04 Aug 2022)

  Changed paths:
    M tools/iso-tester.c

  Log Message:
  -----------
  iso-tester: Test BT_DEFER_SETUP works with getsockopt

This attempts to test BT_DEFER_SETUP is properly set when the test has
defer flag set.