Synchronize new proto changes.
diff --git a/google/cloud/videointelligence/v1beta1/videointelligence_gapic.yaml b/google/cloud/videointelligence/v1beta1/videointelligence_gapic.yaml
index 5074015..df575fb 100644
--- a/google/cloud/videointelligence/v1beta1/videointelligence_gapic.yaml
+++ b/google/cloud/videointelligence/v1beta1/videointelligence_gapic.yaml
@@ -44,9 +44,6 @@
       - parameters:
         - input_uri
         - features
-        - video_context
-        - output_uri
-        - location_id
     long_running:
       return_type: google.cloud.videointelligence.v1beta1.AnnotateVideoResponse
       metadata_type: google.cloud.videointelligence.v1beta1.AnnotateVideoProgress
@@ -61,3 +58,6 @@
     retry_codes_name: idempotent
     retry_params_name: default
     timeout_millis: 60000
+    sample_code_init_fields:
+    - input_uri=gs://demomaker/cat.mp4
+    - features[0]=LABEL_DETECTION
diff --git a/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml b/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
index 98299fe..0f3bf23 100644
--- a/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
+++ b/google/cloud/videointelligence/v1beta2/videointelligence_gapic.yaml
@@ -44,10 +44,6 @@
       - parameters:
         - input_uri
         - features
-        - input_content
-        - video_context
-        - output_uri
-        - location_id
     long_running:
       return_type: google.cloud.videointelligence.v1beta2.AnnotateVideoResponse
       metadata_type: google.cloud.videointelligence.v1beta2.AnnotateVideoProgress
@@ -59,3 +55,6 @@
     retry_codes_name: idempotent
     retry_params_name: default
     timeout_millis: 60000
+    sample_code_init_fields:
+    - input_uri=gs://demomaker/cat.mp4
+    - features[0]=LABEL_DETECTION