Add BluetoothExt package

Change-Id: I904308462a41fc65818e69faf6da1f8cef83f6e0
Remove device parts

Change-Id: I88345616cc083b52320fe0c6834fb3f02dff3918
Add newly supported languages

Change-Id: I1f53e5bac821780349dc77ede39a273315728e5c