run minadbd as shell user, remove unused code
Make minadbd drop its root privileges after initializing. We need to
make the /tmp directory writable by the shell group so that it can
drop the sideloaded file there.
diff --git a/etc/init.rc b/etc/init.rc
index a301779..bf4ce62 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -15,6 +15,9 @@
mkdir /cache
mount /tmp /tmp tmpfs
+ chown root shell /tmp
+ chmod 0775 /tmp
+
write /sys/class/android_usb/android0/enable 0
write /sys/class/android_usb/android0/idVendor 18D1
write /sys/class/android_usb/android0/idProduct D001