Remove net_bt_stack group and replace it with bluetooth

Bug: 31549206
Change-Id: I667963e5f9fd1a5dc9ad74378b318e3b782e6883
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1a601f0..6315cf4 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -355,12 +355,12 @@
 
     # create basic filesystem structure
     mkdir /data/misc 01771 system misc
-    mkdir /data/misc/bluedroid 02770 bluetooth net_bt_stack
+    mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
     # Fix the access permissions and group ownership for 'bt_config.conf'
     chmod 0660 /data/misc/bluedroid/bt_config.conf
-    chown bluetooth net_bt_stack /data/misc/bluedroid/bt_config.conf
-    mkdir /data/misc/bluetooth 0770 bluetooth net_bt_stack
-    mkdir /data/misc/bluetooth/logs 0770 bluetooth net_bt_stack
+    chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf
+    mkdir /data/misc/bluetooth 0770 bluetooth bluetooth
+    mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth
     mkdir /data/misc/keystore 0700 keystore keystore
     mkdir /data/misc/gatekeeper 0700 system system
     mkdir /data/misc/keychain 0771 system system