system: services: Add udev rules for android.

system/config.scm

@@ -2,9 +2,11 @@
  (gnu)
  (gnu system nss)
  (gnu system setuid)
+ (gnu system shadow)
  (rg packages suckless)
  (rg services base))
 (use-package-modules
+ android
  aspell
  certs
  disk
@@ -112,7 +114,7 @@
      (comment "Raghav Gururajan")
      (group "users")
      (supplementary-groups
-      '("audio" "cdrom" "kvm" "libvirt" "lp"
+      '("adbusers" "audio" "cdrom" "kvm" "libvirt" "lp"
         "netdev" "tape" "tor" "video" "wheel"))))
    %base-user-accounts))
  (packages
@@ -175,7 +177,9 @@
               (baud-rate 38400)))
     (service sane-service-type)
     (service udisks-service-type
-             (udisks-configuration)))
+             (udisks-configuration))
+    (udev-rules-service 'android android-udev-rules
+                        #:groups '("adbusers")))
    ;; Display
    (list
     (service colord-service-type)