The auto-masking was working by Brush and this was very inconvenient because it was necessary set the options by Brush, now the options are global and can be set at once. Also, the automa-masking now works with `and` logic and not with `or` as before. That means that a stroke must meet all the conditions of the masking. Added new Layer and Material options to masking the strokes using the same Layer/Material of the selected stroke. Before, only Active Layer and Active Material could be masked. The options of masking has been moved to the top-bar using the same design of Mesh Sculpt masking. As result of the changes above, the following props changed: Removed: `brush.gpencil_settings.use_automasking_strokes` `brush.gpencil_settings.use_automasking_layer` `brush.gpencil_settings.use_automasking_material` Added: `tool_settings.gpencil_sculpt.use_automasking_stroke` `tool_settings.gpencil_sculpt.use_automasking_layer_stroke` `tool_settings.gpencil_sculpt.use_automasking_material_stroke` `tool_settings.gpencil_sculpt.use_automasking_layer_active` `tool_settings.gpencil_sculpt.use_automasking_material_active` Reviewed by: Julien Kaspar, Matias Mendiola, Daniel Martinez Lara