sepolicy: allow shell to read/write traced prop

This is to fix the CTS failures given by the bugs below where devices
where traced is not enabled by default causes test failures.

(cherry picked from commit 673b4db77706abb51f75ebfe685cf0b7af40f634)

Bug: 78215159
Bug: 78347829
Change-Id: Ib0f6a1cdb770528dbbeb857368534ff5040e464e
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index d45596a..0064bc0 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -109,6 +109,7 @@
     traceur_app_tmpfs
     traced
     traced_consumer_socket
+    traced_enabled_prop
     traced_exec
     traced_probes
     traced_probes_exec