Update the Godot Android Editor name from `Godot Editor` to `Godot Editor 3`

Keep things consistent with the label used for `Godot Editor 4`, and avoid user confusion regarding the different versions of the engine.

platform/android/java/editor/src/dev/res/values/strings.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string name="godot_editor_name_string">Godot Editor (dev)</string>
+	<string name="godot_editor_name_string">Godot Editor 3 (dev)</string>
 </resources>

platform/android/java/editor/src/main/res/values/strings.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string name="godot_editor_name_string">Godot Editor</string>
+	<string name="godot_editor_name_string">Godot Editor 3</string>
 
 	<string name="denied_storage_permission_error_msg">Missing storage access permission!</string>
 </resources>