samples: Udpate Beta Vision samples to use beta tags (#1184)

Author: alixhami

vision/snippets/src/main/java/com/example/vision/Detect.java

@@ -1438,7 +1438,7 @@ public static void detectDocumentsGcs(String gcsSourcePath, String gcsDestinatio
   }
   // [END vision_text_detection_pdf_gcs]
 
-  // [START vision_localize_objects]
+  // [START vision_localize_objects_beta]
   /**
    * Detects localized objects in the specified local image.
    *
@@ -1480,9 +1480,9 @@ public static void detectLocalizedObjects(String filePath, PrintStream out)
       }
     }
   }
-  // [END vision_localize_objects]
+  // [END vision_localize_objects_beta]
 
-  // [START vision_localize_objects_gcs]
+  // [START vision_localize_objects_gcs_beta]
   /**
    * Detects localized objects in a remote image on Google Cloud Storage.
    *
@@ -1525,9 +1525,9 @@ public static void detectLocalizedObjectsGcs(String gcsPath, PrintStream out)
       }
     }
   }
-  // [END vision_localize_objects_gcs]
+  // [END vision_localize_objects_gcs_beta]
 
-  // [START vision_handwritten_ocr]
+  // [START vision_handwritten_ocr_beta]
   /**
    * Performs handwritten text detection on a local image file.
    *
@@ -1598,9 +1598,9 @@ public static void detectHandwrittenOcr(String filePath, PrintStream out) throws
       }
     }
   }
-  // [END vision_handwritten_ocr]
+  // [END vision_handwritten_ocr_beta]
 
-  // [START vision_handwritten_ocr_gcs]
+  // [START vision_handwritten_ocr_gcs_beta]
   /**
    * Performs handwritten text detection on a remote image on Google Cloud Storage.
    *
@@ -1672,5 +1672,5 @@ public static void detectHandwrittenOcrGcs(String gcsPath, PrintStream out) thro
       }
     }
   }
-  // [END vision_handwritten_ocr_gcs]
+  // [END vision_handwritten_ocr_gcs_beta]
 }