feat(servicemanagement): start generating apiv1 (#3614)

Author: codyoss

internal/.repo-metadata-full.json

@@ -815,6 +815,14 @@
     "docs_url": "https://pkg.go.dev/cloud.google.com/go/servicedirectory/apiv1beta1",
     "release_level": "beta"
   },
+  "cloud.google.com/go/servicemanagement/apiv1": {
+    "distribution_name": "cloud.google.com/go/servicemanagement/apiv1",
+    "description": "",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/servicemanagement/apiv1",
+    "release_level": "beta"
+  },
   "cloud.google.com/go/spanner": {
     "distribution_name": "cloud.google.com/go/spanner",
     "description": "Cloud Spanner",

internal/gapicgen/generator/config.go

@@ -940,6 +940,15 @@ var microgenGapicConfigs = []*microgenConfig{
 		apiServiceConfigPath:  "google/cloud/dataqna/v1alpha/dataqna_v1alpha.yaml",
 		releaseLevel:          "alpha",
 	},
+	{
+		inputDirectoryPath:    "google/api/servicemanagement/v1",
+		pkg:                   "servicemanagement",
+		importPath:            "cloud.google.com/go/servicemanagement/apiv1",
+		gRPCServiceConfigPath: "google/api/servicemanagement/v1/servicemanagement_grpc_service_config.json",
+		apiServiceConfigPath:  "google/api/servicemanagement/v1/servicemanagement_gapic.yaml",
+		// GA after 2021/02/26
+		releaseLevel: "beta",
+	},
 
 	// Non-Cloud APIs
 	{