fix allowlist and keep an __all__ that matches github runners

Author: tungol

stdlib/@tests/stubtest_allowlists/linux.txt

@@ -30,6 +30,7 @@ select.poll  # Actually a function; we have a class so it can be used as a type
 # Bluetooth constants which aren't on the GitHub Actions runners, see #15207
 _?socket.AF_BLUETOOTH
 _?socket.BDADDR_ANY
+_?socket.BDADDR_LOCAL
 _?socket.BTPROTO_HCI
 _?socket.BTPROTO_L2CAP
 _?socket.BTPROTO_RFCOMM

stdlib/socket.pyi

@@ -522,6 +522,7 @@ if sys.platform != "win32":
 if sys.platform != "darwin":
     from _socket import BDADDR_ANY as BDADDR_ANY, BDADDR_LOCAL as BDADDR_LOCAL, BTPROTO_RFCOMM as BTPROTO_RFCOMM
 
+if sys.platform != "darwin" and sys.platform != "linux":
     __all__ += ["BDADDR_ANY", "BDADDR_LOCAL", "BTPROTO_RFCOMM"]
 
 if sys.platform == "darwin" and sys.version_info >= (3, 10):
@@ -966,12 +967,13 @@ if sys.platform != "win32":
 
 if sys.platform != "linux":
     __all__ += ["AF_LINK"]
-if sys.platform != "darwin":
+if sys.platform != "darwin" and sys.platform != "linux":
     __all__ += ["AF_BLUETOOTH"]
 
 if sys.platform != "win32" and sys.platform != "darwin":
     from _socket import BTPROTO_HCI as BTPROTO_HCI, BTPROTO_L2CAP as BTPROTO_L2CAP, BTPROTO_SCO as BTPROTO_SCO
 
+if sys.platform != "win32" and sys.platform != "darwin" and sys.platform != "linux":
     __all__ += ["BTPROTO_HCI", "BTPROTO_L2CAP", "BTPROTO_SCO"]
 
 if sys.platform != "win32" and sys.platform != "darwin" and sys.platform != "linux":