chore: Update discovery artifacts (#1413)

## Discovery Artifact Change Summary:
feat(analyticsadmin): update the api https://github.com/googleapis/google-api-python-client/commit/5a2e42e9a4631216c4883d5538c970a5faad59eb
feat(androidmanagement): update the api https://github.com/googleapis/google-api-python-client/commit/5fcc274bcd4a9a71a0a568e2771c443a2b2b20b0
feat(dialogflow): update the api https://github.com/googleapis/google-api-python-client/commit/512fc42343fa946889ec155456a05f0d64969903
feat(keep): update the api https://github.com/googleapis/google-api-python-client/commit/45eb6dac450c1055a6ced84332529b70b0a8c831
fix(smartdevicemanagement): update the api https://github.com/googleapis/google-api-python-client/commit/772982044da691f9116073855e692f7793edacce
diff --git a/docs/dyn/dialogflow_v2beta1.projects.conversations.participants.html b/docs/dyn/dialogflow_v2beta1.projects.conversations.participants.html
index 8344cd4..1c84804 100644
--- a/docs/dyn/dialogflow_v2beta1.projects.conversations.participants.html
+++ b/docs/dyn/dialogflow_v2beta1.projects.conversations.participants.html
@@ -201,6 +201,8 @@
 
     { # The response message for Participants.AnalyzeContent.
   "automatedAgentReply": { # Represents a response from an automated agent. # Optional. Only set if a Dialogflow automated agent has responded. Note that: AutomatedAgentReply.detect_intent_response.output_audio and AutomatedAgentReply.detect_intent_response.output_audio_config are always empty, use reply_audio instead.
+    "allowCancellation": True or False, # Indicates whether the partial automated agent reply is interruptible when a later reply message arrives. e.g. if the agent specified some music as partial response, it can be cancelled.
+    "automatedAgentReplyType": "A String", # AutomatedAgentReply type.
     "cxSessionParameters": { # The collection of current Dialogflow CX agent session parameters at the time of this response. Deprecated: Use `parameters` instead.
       "a_key": "", # Properties of the object.
     },