mac: Allow com.apple.CARenderServer in gpu_v2.sb

Bug: 1116003
Change-Id: I00455a78b94ac614ee5015a2be68f8c8bc5e855e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354152Reviewed-by: Greg Kerr <kerrnel@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797728}

sandbox/policy/mac/gpu_v2.sb

@@ -14,6 +14,7 @@
 ; Allow communication between the GPU process and the UI server.
 (allow mach-lookup
   (global-name "com.apple.bsd.dirhelper")
+  (global-name "com.apple.CARenderServer")
   (global-name "com.apple.cfprefsd.agent")
   (global-name "com.apple.cfprefsd.daemon")
   (global-name "com.apple.CoreServices.coreservicesd")