chore: Update discovery artifacts (#1328)

## Deleted keys were detected in the following stable discovery artifacts:
admindirectoryv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/1feda6f78f168e28d7842f49ad91fb00dc24ec19)
bigqueryreservationv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/7e6c78d448e472caaa67971160fdd44ccce061b0)
computev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
doubleclickbidmanagerv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d20e7e2553a1ea5d3690afba366683d4eb0ca647)
doubleclickbidmanagerv11[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d20e7e2553a1ea5d3690afba366683d4eb0ca647)
serviceconsumermanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/864ef4795a0e89263859f493f9c40d1a85e90c28)
serviceusagev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ecd65a89c54132856b47747439faf901dbfbafcb)

## Deleted keys were detected in the following pre-stable discovery artifacts:
bigqueryreservationv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/7e6c78d448e472caaa67971160fdd44ccce061b0)
computealpha[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
computebeta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
serviceconsumermanagementv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/864ef4795a0e89263859f493f9c40d1a85e90c28)
serviceusagev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ecd65a89c54132856b47747439faf901dbfbafcb)

## Discovery Artifact Change Summary:
admindirectoryv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/1feda6f78f168e28d7842f49ad91fb00dc24ec19)
bigqueryreservationv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/7e6c78d448e472caaa67971160fdd44ccce061b0)
bigqueryreservationv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/7e6c78d448e472caaa67971160fdd44ccce061b0)
computealpha[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
computebeta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
computev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/131a5cd5bda8512217aa461042b33fb287790839)
containerv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/9bc4a12e7ab57a1b5a5d3637087b80b3008e3352)
containerv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/9bc4a12e7ab57a1b5a5d3637087b80b3008e3352)
doubleclickbidmanagerv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d20e7e2553a1ea5d3690afba366683d4eb0ca647)
doubleclickbidmanagerv11[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d20e7e2553a1ea5d3690afba366683d4eb0ca647)
serviceconsumermanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/864ef4795a0e89263859f493f9c40d1a85e90c28)
serviceconsumermanagementv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/864ef4795a0e89263859f493f9c40d1a85e90c28)
serviceusagev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ecd65a89c54132856b47747439faf901dbfbafcb)
serviceusagev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ecd65a89c54132856b47747439faf901dbfbafcb)
diff --git a/docs/dyn/compute_beta.backendServices.html b/docs/dyn/compute_beta.backendServices.html
index dffebb2..c1cc275 100644
--- a/docs/dyn/compute_beta.backendServices.html
+++ b/docs/dyn/compute_beta.backendServices.html
@@ -306,6 +306,12 @@
             ],
             "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
               "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+              "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+                "A String",
+              ],
+              "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+                "A String",
+              ],
               "includeProtocol": True or False, # If true, http and https requests will be cached separately.
               "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
               "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -521,7 +527,7 @@
               # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
               #
               # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-          "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+          "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
             "policy": "A String",
           },
           "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.
@@ -815,6 +821,12 @@
     ],
     "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
       "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+      "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+        "A String",
+      ],
+      "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+        "A String",
+      ],
       "includeProtocol": True or False, # If true, http and https requests will be cached separately.
       "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
       "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -1030,7 +1042,7 @@
       # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
       #
       # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-  "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+  "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
     "policy": "A String",
   },
   "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.
@@ -1161,6 +1173,12 @@
     ],
     "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
       "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+      "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+        "A String",
+      ],
+      "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+        "A String",
+      ],
       "includeProtocol": True or False, # If true, http and https requests will be cached separately.
       "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
       "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -1376,7 +1394,7 @@
       # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
       # 
       # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-  "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+  "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
     "policy": "A String",
   },
   "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.
@@ -1550,6 +1568,12 @@
         ],
         "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
           "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+          "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+            "A String",
+          ],
+          "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+            "A String",
+          ],
           "includeProtocol": True or False, # If true, http and https requests will be cached separately.
           "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
           "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -1765,7 +1789,7 @@
           # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
           #
           # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-      "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+      "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
         "policy": "A String",
       },
       "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.
@@ -1882,6 +1906,12 @@
     ],
     "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
       "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+      "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+        "A String",
+      ],
+      "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+        "A String",
+      ],
       "includeProtocol": True or False, # If true, http and https requests will be cached separately.
       "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
       "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -2097,7 +2127,7 @@
       # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
       # 
       # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-  "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+  "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
     "policy": "A String",
   },
   "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.
@@ -2364,6 +2394,12 @@
     ],
     "cacheKeyPolicy": { # Message containing what to include in the cache key for a request for Cloud CDN. # The CacheKeyPolicy for this CdnPolicy.
       "includeHost": True or False, # If true, requests to different hosts will be cached separately.
+      "includeHttpHeaders": [ # Allows HTTP request headers (by name) to be used in the cache key.
+        "A String",
+      ],
+      "includeNamedCookies": [ # Allows HTTP cookies (by name) to be used in the cache key. The name=value pair will be used in the cache key Cloud CDN generates.
+        "A String",
+      ],
       "includeProtocol": True or False, # If true, http and https requests will be cached separately.
       "includeQueryString": True or False, # If true, include query string parameters in the cache key according to query_string_whitelist and query_string_blacklist. If neither is set, the entire query string will be included. If false, the query string will be excluded from the cache key entirely.
       "queryStringBlacklist": [ # Names of query string parameters to exclude in cache keys. All other parameters will be included. Either specify query_string_whitelist or query_string_blacklist, not both. '&' and '=' will be percent encoded and not treated as delimiters.
@@ -2579,7 +2615,7 @@
       # When the loadBalancingScheme is INTERNAL_SELF_MANAGED, or INTERNAL_MANAGED, possible values are NONE, CLIENT_IP, GENERATED_COOKIE, HEADER_FIELD, or HTTP_COOKIE.
       # 
       # Not supported when the backend service is referenced by a URL map that is bound to target gRPC proxy that has validateForProxyless field set to true.
-  "subsetting": { # Subsetting options to make L4 ILB support any number of backend instances
+  "subsetting": { # Subsetting configuration for this BackendService. Currently this is applicable only for Internal TCP/UDP load balancing and Internal HTTP(S) load balancing.
     "policy": "A String",
   },
   "timeoutSec": 42, # The backend service timeout has a different meaning depending on the type of load balancer. For more information see,  Backend service settings The default is 30 seconds. The full range of timeout values allowed is 1 - 2,147,483,647 seconds.