Document Android permission requirements for network access where needed

modules/websocket/doc_classes/WebSocketClient.xml

@@ -8,6 +8,7 @@
 		This client can be optionally used as a multiplayer peer for the [MultiplayerAPI].
 		After starting the client ([method connect_to_url]), you will need to [method MultiplayerPeer.poll] it at regular intervals (e.g. inside [method Node._process]).
 		You will receive appropriate signals when connecting, disconnecting, or when new data is available.
+		[b]Note:[/b] When exporting to Android, make sure to enable the [code]INTERNET[/code] permission in the Android export preset before exporting the project or using one-click deploy. Otherwise, network communication of any kind will be blocked by Android.
 	</description>
 	<tutorials>
 	</tutorials>

modules/websocket/doc_classes/WebSocketMultiplayerPeer.xml

@@ -5,6 +5,7 @@
 	</brief_description>
 	<description>
 		Base class for WebSocket server and client, allowing them to be used as multiplayer peer for the [MultiplayerAPI].
+		[b]Note:[/b] When exporting to Android, make sure to enable the [code]INTERNET[/code] permission in the Android export preset before exporting the project or using one-click deploy. Otherwise, network communication of any kind will be blocked by Android.
 	</description>
 	<tutorials>
 	</tutorials>

modules/websocket/doc_classes/WebSocketServer.xml

@@ -7,6 +7,7 @@
 		This class implements a WebSocket server that can also support the high-level multiplayer API.
 		After starting the server ([method listen]), you will need to [method MultiplayerPeer.poll] it at regular intervals (e.g. inside [method Node._process]). When clients connect, disconnect, or send data, you will receive the appropriate signal.
 		[b]Note:[/b] Not available in HTML5 exports.
+		[b]Note:[/b] When exporting to Android, make sure to enable the [code]INTERNET[/code] permission in the Android export preset before exporting the project or using one-click deploy. Otherwise, network communication of any kind will be blocked by Android.
 	</description>
 	<tutorials>
 	</tutorials>