[MM-63661] add access control metrics (#30680)

server/einterfaces/metrics.go

@@ -134,4 +134,9 @@ type MetricsInterface interface {
 	ObserveMobileClientSessionMetadata(version string, platform string, value float64, notificationDisabled string)
 	ObserveDesktopCpuUsage(platform, version, process string, usage float64)
 	ObserveDesktopMemoryUsage(platform, version, process string, usage float64)
+
+	ObserveAccessControlEngineInitDuration(value float64)
+	ObserveAccessControlExpressionCompileDuration(value float64)
+	ObserveAccessControlEvaluateDuration(value float64)
+	IncrementAccessControlCacheInvalidation()
 }