dumpstate runs as system group, so in order to prepare for it to be
readable by dumpstate, we need to change the group to system.
(cherry picked from commit 286ebed626)
Bug: 271125313
Test: ls -l /sys/devices/platform/16490000.gsa-ns/
Change-Id: Ib8f299e99add9cc2f03887cda78f576924c522cd
Merged-In: Ib8f299e99add9cc2f03887cda78f576924c522cd