Add untrusted_v2_app to all_untrusted_apps

This was accidentally omitted from all_untrusted_app

While I'm here, split across mutiple lines and alphabetize.

Test: policy compiles.
Change-Id: I7fe1d1d0a4ef2ed3ab010931ee2ba15637c2be51

private/app_neverallows.te

@@ -5,7 +5,15 @@
 # Only allow domains in AOSP to use the untrusted_app_all attribute.
 neverallow { untrusted_app_all -untrusted_app -untrusted_app_25 } domain:process fork;
 
-define(`all_untrusted_apps',`{ untrusted_app_all untrusted_app_25 untrusted_app ephemeral_app isolated_app mediaprovider }')
+define(`all_untrusted_apps',`{
+  ephemeral_app
+  isolated_app
+  mediaprovider
+  untrusted_app
+  untrusted_app_25
+  untrusted_app_all
+  untrusted_v2_app
+}')
 # Receive or send uevent messages.
 neverallow all_untrusted_apps domain:netlink_kobject_uevent_socket *;