Check for QT_NO_DEBUG_STREAM for QBluetoothUuid QDebug helper

[ChangeLog][QtBluetooth] QDebug helper for QBluetoothUuid became
aware of QT_NO_DEBUG_STREAM define.

Change-Id: I20941c32560bfc6beaa8f4f465799af987d0b0cd
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>