Assigns system user/group to /dev/hidraw* devices.

This allows system_server to access these devices.

Note: This also matches existing ueventd rules used by any
device which followed the Sensor HAL's dynamic sensor README.

Bug: 303522222
Test: ls -l /dev/hidraw0
Change-Id: I0830aca77422d6cab64af05dba1554667737760c
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 60dcc2a..3927501 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -71,6 +71,7 @@
 /dev/mtp_usb              0660   root       mtp
 /dev/usb_accessory        0660   root       usb
 /dev/tun                  0660   system     vpn
+/dev/hidraw*              0660   system     system
 
 # CDMA radio interface MUX
 /dev/ppp                  0660   radio      vpn