Adding 'uhid' permission for access to /dev/uhid.

This CL is in support of another CL c/2048848, topic
'Refactor hid command in /frameworks/base/cmds' in
internal master. Adding the permissions for
shell here to access uhid_node as part of the
new 'uhid' group.

Bug: 34052337
Test: Tested on angler, bluetooth mouse works OK.

Change-Id: If9e100aa1262d689fb8adc5c0ce93f157c96399e
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 1609ef2..efd0da5 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -68,7 +68,7 @@
 /dev/diag                 0660   radio      radio
 /dev/diag_arm9            0660   radio      radio
 /dev/ttyMSM0              0600   bluetooth  bluetooth
-/dev/uhid                 0660   system     bluetooth
+/dev/uhid                 0660   uhid       uhid
 /dev/uinput               0660   system     bluetooth
 /dev/alarm                0664   system     radio
 /dev/rtc0                 0640   system     system