Update BUILD and description for api_keys_service. (#78)

src/main/proto/wfa/measurement/api/v2alpha/BUILD.bazel

@@ -238,6 +238,15 @@ proto_library(
     ],
 )
 
+proto_library(
+    name = "api_keys_service_proto",
+    srcs = ["api_keys_service.proto"],
+    deps = [
+        ":api_key_proto",
+        "@com_google_googleapis//google/api:resource_proto",
+    ],
+)
+
 proto_library(
     name = "requisitions_service_proto",
     srcs = ["requisitions_service.proto"],

src/main/proto/wfa/measurement/api/v2alpha/api_keys_service.proto

@@ -28,19 +28,19 @@ service ApiKeys {
   // Creates an `ApiKey`.
   //
   // Results in PERMISSION_DENIED if the authenticated caller does not own the
-  // resource the `ApiKey` is being created for.
+  // `MeasurementConsumer` the `ApiKey` is being created for.
   rpc CreateApiKey(CreateApiKeyRequest) returns (ApiKey) {}
 
-  // Delete an `ApiKey`.
+  // Deletes an `ApiKey`.
   //
   // Results in PERMISSION_DENIED if the authenticated caller does not own the
-  // resource the `ApiKey` is used for.
+  // `MeasurementConsumer` the `ApiKey` is being used for.
   rpc DeleteApiKey(DeleteApiKeyRequest) returns (ApiKey) {}
 }
 
 // Request message for `CreateApiKey` method.
 message CreateApiKeyRequest {
-  // Name of the parent resource. Required.
+  // Name of the parent `MeasurementConsumer`. Required.
   string parent = 1
       [(google.api.resource_reference).child_type = "halo.wfanet.org/ApiKey"];