ShapeDetection: add support for Text Detection in Mac

services/shape_detection/manifest.json

 {
   "name": "shape_detection",
   "display_name": "Shape Detection Service",
   "interface_provider_specs": {
     "service_manager:connector": {
       "provides": {
         "face_detection": [ "shape_detection::mojom::FaceDetectionProvider" ],
-        "barcode_detection": [ "shape_detection::mojom::BarcodeDetection" ]
+        "barcode_detection": [ "shape_detection::mojom::BarcodeDetection" ],
+        "text_detection": [ "shape_detection::mojom::TextDetection" ]
       },
       "requires": {
         "service_manager": [ "service_manager:all_users" ]
       }
     }
   }
 }