The required API became public in Android v19 which is what was used as
check so far. However the same API was already privately provided
since Android v15. THis patch ensures that older Android versions
can create pairing requests too.

This patch was provided by George Najarian.

Task-number: QTBUG-43757
Change-Id: I0f38e538a972341a6acf719098f1010e52b639b7
Reviewed-by: BogDan Vatra <bogdan@kde.org>
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>