libbt-vendor: Remove platform specific check

Platform specific check is not required as module compilation is
controlled by BOARD_HAVE_BLUETOOTH_QCOM.

Set BOARD_HAVE_BLUETOOTH_QCOM=true in BoardConfigVendor.mk to
enable compilation of this module.

Change-Id: I5d4db1f4239539290004fc09a62b5eb3b4dd03de
Bluetooth - Fix devicename being opened on retry

This patch fixes the device name that was being opened in case first
try failed. Till now if first try failed for some reason, retry was
also done on NULL device, which also failed evertytime.

Change-Id: I4a9c2e07675ab23623605dc6f9416393b9208faa
CRs-Fixed: 506011