samples: Vision region tag update (#1182)

* updates region tags for detecting-crop-hints page

* updates region tags for detecting-faces page

* updates region tags for detecting-fulltext page

* updates region tags for detecting-labels page

* updates region tags for detecting-landmarks page

* update region tags for detect-logos page

* update region tags for detecting-properties page

* update region tags for detecting-safe-search page

* update region tags for detecting-text page

* update region tags for detecting-web page

* update beta tags to standard

* update PDF detection region tags to standard

* updates product search region tags to standard

* fix label detection tag

* remove region tags from imports

* updates to mirror python files

* Fix indentation

Author: alixhami

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

@@ -1319,7 +1319,7 @@ public static void detectDocumentTextGcs(String gcsPath, PrintStream out) throws
   }
   // [END vision_detect_document_uri]
 
-  // [START vision_async_detect_document_ocr]
+  // [START vision_text_detection_pdf_gcs]
   /**
    * Performs document text OCR with PDF/TIFF as source files on Google Cloud Storage.
    *
@@ -1436,7 +1436,7 @@ public static void detectDocumentsGcs(String gcsSourcePath, String gcsDestinatio
       }
     }
   }
-  // [END vision_async_detect_document_ocr]
+  // [END vision_text_detection_pdf_gcs]
 
   // [START vision_localize_objects]
   /**
@@ -1482,7 +1482,7 @@ public static void detectLocalizedObjects(String filePath, PrintStream out)
   }
   // [END vision_localize_objects]
 
-  // [START vision_localize_objects_uri]
+  // [START vision_localize_objects_gcs]
   /**
    * Detects localized objects in a remote image on Google Cloud Storage.
    *
@@ -1525,7 +1525,7 @@ public static void detectLocalizedObjectsGcs(String gcsPath, PrintStream out)
       }
     }
   }
-  // [END vision_localize_objects_uri]
+  // [END vision_localize_objects_gcs]
 
   // [START vision_handwritten_ocr]
   /**
@@ -1600,7 +1600,7 @@ public static void detectHandwrittenOcr(String filePath, PrintStream out) throws
   }
   // [END vision_handwritten_ocr]
 
-  // [START vision_handwritten_ocr_uri]
+  // [START vision_handwritten_ocr_gcs]
   /**
    * 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_uri]
+  // [END vision_handwritten_ocr_gcs]
 }