macOS V2 Sandbox: Allow access to CoreTypes.bundle

To make the macOS V2 sandbox more robust, allow access to
CoreTypes.bundle.

Bug: 871280
Change-Id: I0de730ace30a18f3c3d8a3c12b13d2e968056ac8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1540543
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#645371}

services/service_manager/sandbox/mac/common.sb

@@ -109,6 +109,7 @@
 
 ; Allow reads of system libraries and frameworks.
 (allow file-read*
+  (subpath "/System/Library/CoreServices/CoreTypes.bundle")
   (subpath "/System/Library/Frameworks")
   (subpath "/System/Library/Preferences/Logging")
   (subpath "/System/Library/PrivateFrameworks")