chore: Update discovery artifacts (#1317)

## Discovery Artifact Change Summary:
contentv2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/85dcfe41b40f6827345fadfcccfc78f31a872e4a)
contentv21[ [More details]](https://github.com/googleapis/google-api-python-client/commit/85dcfe41b40f6827345fadfcccfc78f31a872e4a)
dnsv1beta2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/5dfd888f6af29ce3bd1589683cc22255acf971c5)
realtimebiddingv1alpha[ [More details]](https://github.com/googleapis/google-api-python-client/commit/26dc108c295c1d1ab93ee13bc70f4802c4d60d2d)
serviceconsumermanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/736e39a686d43af2c49e3442066ec2cb78642792)
serviceconsumermanagementv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/736e39a686d43af2c49e3442066ec2cb78642792)
servicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d34c2fed6e96f74b355a22c8a0fd2f0bf73898ec)
servicenetworkingv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/67d9d5d8392b86cb004dc340884227a42b2ff06f)
servicenetworkingv1beta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/67d9d5d8392b86cb004dc340884227a42b2ff06f)
serviceusagev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/833c6db32348fc0c6e483710a0de4d5048c3fbae)
serviceusagev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/833c6db32348fc0c6e483710a0de4d5048c3fbae)
diff --git a/googleapiclient/discovery_cache/documents/content.v2.json b/googleapiclient/discovery_cache/documents/content.v2.json
index cf0d48b..e79f72c 100644
--- a/googleapiclient/discovery_cache/documents/content.v2.json
+++ b/googleapiclient/discovery_cache/documents/content.v2.json
@@ -3298,7 +3298,7 @@
       }
     }
   },
-  "revision": "20210414",
+  "revision": "20210424",
   "rootUrl": "https://shoppingcontent.googleapis.com/",
   "schemas": {
     "Account": {
@@ -4269,12 +4269,19 @@
           "description": "The CLDR country code of the carrier (e.g., \"US\"). Always present.",
           "type": "string"
         },
+        "eddServices": {
+          "description": "A list of services supported for EDD (Estimated Delivery Date) calculation. This is the list of valid values for WarehouseBasedDeliveryTime.carrierService.",
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
         "name": {
           "description": "The name of the carrier (e.g., `\"UPS\"`). Always present.",
           "type": "string"
         },
         "services": {
-          "description": "A list of supported services (e.g., `\"ground\"`) for that carrier. Contains at least one service.",
+          "description": "A list of supported services (e.g., `\"ground\"`) for that carrier. Contains at least one service. This is the list of valid values for CarrierRate.carrierService.",
           "items": {
             "type": "string"
           },
@@ -4872,6 +4879,13 @@
         "transitTimeTable": {
           "$ref": "TransitTable",
           "description": "Transit time table, number of business days spent in transit based on row and column dimensions. Either `{min,max}TransitTimeInDays` or `transitTimeTable` can be set, but not both."
+        },
+        "warehouseBasedDeliveryTimes": {
+          "description": "Indicates that the delivery time should be calculated per warehouse (shipping origin location) based on the settings of the selected carrier. When set, no other transit time related field in DeliveryTime should be set.",
+          "items": {
+            "$ref": "WarehouseBasedDeliveryTime"
+          },
+          "type": "array"
         }
       },
       "type": "object"
@@ -10257,6 +10271,40 @@
       },
       "type": "object"
     },
+    "WarehouseBasedDeliveryTime": {
+      "id": "WarehouseBasedDeliveryTime",
+      "properties": {
+        "carrier": {
+          "description": "Required. Carrier, such as `\"UPS\"` or `\"Fedex\"`. The list of supported carriers can be retrieved via the `listSupportedCarriers` method.",
+          "type": "string"
+        },
+        "carrierService": {
+          "description": "Required. Carrier service, such as `\"ground\"` or `\"2 days\"`. The list of supported services for a carrier can be retrieved via the `listSupportedCarriers` method. The name of the service must be in the eddSupportedServices list.",
+          "type": "string"
+        },
+        "originAdministrativeArea": {
+          "description": "Required. Shipping origin's state.",
+          "type": "string"
+        },
+        "originCity": {
+          "description": "Required. Shipping origin's city.",
+          "type": "string"
+        },
+        "originCountry": {
+          "description": "Required. Shipping origin's country represented as a [CLDR territory code](http://www.unicode.org/repos/cldr/tags/latest/common/main/en.xml).",
+          "type": "string"
+        },
+        "originPostalCode": {
+          "description": "Required. Shipping origin.",
+          "type": "string"
+        },
+        "originStreetAddress": {
+          "description": "Shipping origin's street address",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "Weight": {
       "id": "Weight",
       "properties": {