Add 'crash' user to 'chronos-access' group.

As part of an ongoing effort to remove root privileges from crash
reporter components, we have created a new `crash` user that the crash
reporting binaries will run as. This user needs access to
/home/chronos/user/crash, so put it into `chronos-access`.

BUG=chromium:983725
TEST=Loaded onto an eve, ran `sudo -u crash id` and verified output.

Cq-Depend: chromium:1988906
Change-Id: I6f7609ef13f58d192550b253cf726fb988c0e01d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/1987241
Tested-by: Miriam Zimmerman <mutexlox@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Miriam Zimmerman <mutexlox@chromium.org>
diff --git a/profiles/base/accounts/group/chronos-access b/profiles/base/accounts/group/chronos-access
index 9cfac37..871d711 100644
--- a/profiles/base/accounts/group/chronos-access
+++ b/profiles/base/accounts/group/chronos-access
@@ -4,4 +4,4 @@
 # mostly system daemons running as a non-chronos user, group permissions
 # to access files/directories owned by chronos.
 # This includes all users accessing opencryptoki database files.
-users:root,ipsec,chronos,chaps,cros-disks,imageloaderd
+users:root,ipsec,chronos,chaps,cros-disks,imageloaderd,crash