Merge pull request #166 from zivchang/next

[bug fixing] PTSDK-1444, 1386, 1372
[bug fixs] PTSDK-1447
- Added checking the lockscreen status when re-showing the lockscreen overlay
Merge pull request #167 from jacobchen/next

[bug fixs] PTSDK-1447
Bluetooth privilege update due to latest API spec