Allow iokit-user-client-class IOSurfaceSendRight in renderer.sb.

Bug: 1063349
Change-Id: Ib6c8f119d81a1158bcea66e83e6074c03ed376c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2112236Reviewed-by: Greg Kerr <kerrnel@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752057}

services/service_manager/sandbox/mac/renderer.sb

@@ -66,6 +66,7 @@
 (allow iokit-open
   (iokit-registry-entry-class "IOSurfaceRootUserClient")
   (iokit-registry-entry-class "RootDomainUserClient")
+  (iokit-user-client-class "IOSurfaceSendRight")
 )
 
 ; POSIX IPC