[Mac] Allow more CVMS file object reads in the 10.14 sandbox.

Beta 3 18A326g added new locations for CVMS files.

Bug: 850021
Test: Form controls render correctly in web content.
Change-Id: I00f93a847d1dbb086edea318526aab74bddb54bc
Reviewed-on: https://chromium-review.googlesource.com/1130163
Reviewed-by: Greg Kerr <kerrnel@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573837}
1 file changed