Fix diff in cherry-pick

Changes 2d626fd84ea0246c963ce2c87ae62461a60f8826 and
869562e9 are the same
commit, but with a different comment. Fix them up to be
the same.

Test: build
Change-Id: I6311413357f457d6ba95886b729ffa53ab80e016

private/webview_zygote.te

@@ -6,6 +6,8 @@ typeattribute webview_zygote coredomain;
 # The webview_zygote needs to be able to transition domains.
 typeattribute webview_zygote mlstrustedsubject;
 
+# Allow access to temporary files, which is normally permitted through
+# a domain macro.
 tmpfs_domain(webview_zygote);
 
 # Allow reading/executing installed binaries to enable preloading the