Bluetooth: OPP: Change for updating BT recipients prompt information

This patch adds changes for getting the updated name of the BT recipient
during OPP in case the device name is getting changed in between the two
consecutive transfers.

Change-Id: I0d2102343638b693fe6e02bf27ac4c603ff86962
(cherry picked from commit ce9318e3bced32e52060acbc8c65d0d7de87dc52)
(cherry picked from commit d0055b77cd89bae5c86ad3ab223c6bbe3f688d01)
(cherry picked from commit f408dd4f9a6b215b51bbd191fb369aa39cb4df3e)