[S360 Correctness] Microsoft.Billing Adding missing property in GA swagger (#17458)

* Adding totalCount to transactionList result

* Adding BilingProfileInfo on agreements to GA version

* Adding type object

Author: muazmian

specification/billing/resource-manager/Microsoft.Billing/stable/2020-05-01/billing.json

@@ -6429,6 +6429,14 @@
             "modelAsString": true
           }
         },
+        "billingProfilesInfo": {
+          "type": "array",
+          "description": "The list of billing profiles associated with agreement and present only for specific agreements.",
+          "readOnly": true,
+          "items": {
+            "$ref": "#/definitions/BillingProfileInfo"
+          }
+        },
         "effectiveDate": {
           "description": "The date from which the agreement is effective.",
           "type": "string",
@@ -6455,6 +6463,24 @@
         }
       }
     },
+    "BillingProfileInfo": {
+      "type": "object",
+      "description": "Details about billing profile associated with agreement and available only for specific agreements.",
+      "properties": {
+        "billingProfileId": {
+          "description": "The unique identifier for the billing profile.",
+          "type": "string"
+        },
+        "billingProfileDisplayName": {
+          "description": "The name of the billing profile",
+          "type": "string"
+        },
+        "indirectRelationshipOrganizationName": {
+          "description": "Billing account name. This property is available for a specific type of agreement.",
+          "type": "string"
+        }
+      }
+    },
     "Participants": {
       "description": "The details about a participant.",
       "properties": {