docs: fix relative and broken links

PiperOrigin-RevId: 436501833

google/api/servicecontrol/v2/service_controller.proto

@@ -31,12 +31,14 @@ option objc_class_prefix = "GASC";
 option php_namespace = "Google\\Cloud\\ServiceControl\\V2";
 option ruby_package = "Google::Cloud::ServiceControl::V2";
 
-// [Service Control API v2](/service-infrastructure/docs/service-control)
+// [Service Control API
+// v2](https://cloud.google.com/service-infrastructure/docs/service-control/access-control)
 //
 // Private Preview. This feature is only available for approved services.
 //
 // This API provides admission control and telemetry reporting for services
-// that are integrated with [Service Infrastructure](/service-infrastructure).
+// that are integrated with [Service
+// Infrastructure](https://cloud.google.com/service-infrastructure).
 service ServiceController {
  option (google.api.default_host) = "servicecontrol.googleapis.com";
  option (google.api.oauth_scopes) =
@@ -46,11 +48,13 @@ service ServiceController {
  // Private Preview. This feature is only available for approved services.
  //
  // This method provides admission control for services that are integrated
- // with [Service Infrastructure](/service-infrastructure). It checks whether
- // an operation should be allowed based on the service configuration and
- // relevant policies. It must be called before the operation is executed.
+ // with [Service
+ // Infrastructure](https://cloud.google.com/service-infrastructure). It checks
+ // whether an operation should be allowed based on the service configuration
+ // and relevant policies. It must be called before the operation is executed.
  // For more information, see
- // [Admission Control](/service-infrastructure/docs/admission-control).
+ // [Admission
+ // Control](https://cloud.google.com/service-infrastructure/docs/admission-control).
  //
  // NOTE: The admission control has an expected policy propagation delay of
  // 60s. The caller **must** not depend on the most recent policy changes.
@@ -73,10 +77,12 @@ service ServiceController {
  // Private Preview. This feature is only available for approved services.
  //
  // This method provides telemetry reporting for services that are integrated
- // with [Service Infrastructure](/service-infrastructure). It reports a list
- // of operations that have occurred on a service. It must be called after the
- // operations have been executed. For more information, see
- // [Telemetry Reporting](/service-infrastructure/docs/telemetry-reporting).
+ // with [Service
+ // Infrastructure](https://cloud.google.com/service-infrastructure). It
+ // reports a list of operations that have occurred on a service. It must be
+ // called after the operations have been executed. For more information, see
+ // [Telemetry
+ // Reporting](https://cloud.google.com/service-infrastructure/docs/telemetry-reporting).
  //
  // NOTE: The telemetry reporting has a hard limit of 1000 operations and 1MB
  // per Report call. It is recommended to have no more than 100 operations per
@@ -181,6 +187,4 @@ message ReportRequest {
 
 // Response message for the Report method.
 // If the request contains any invalid data, the server returns an RPC error.
-message ReportResponse {
-
-}
+message ReportResponse {}