Bluetooth libbt_vncfg addition and remove goldfish blobs (@Andromadus saga repo)

Original commit: https://github.com/Andromadus/android_device_htc_saga/commit/6c3526769cfee4409fb5edc3678f2b40b121e2e7

Change-Id: I74efa9f74d929325d290b54fd613df91c40e9c63