Add OEM_DENY_3 in getFirewallType test

Bug: N/A
Change-Id: Ia53f607f69ccaf79223d0a089ced56f2f39f016a
Test: treehugger
diff --git a/service/native/TrafficControllerTest.cpp b/service/native/TrafficControllerTest.cpp
index 1aca633..07b0a8d 100644
--- a/service/native/TrafficControllerTest.cpp
+++ b/service/native/TrafficControllerTest.cpp
@@ -805,6 +805,7 @@
             {LOCKDOWN, DENYLIST},
             {OEM_DENY_1, DENYLIST},
             {OEM_DENY_2, DENYLIST},
+            {OEM_DENY_3, DENYLIST},
             {INVALID_CHAIN, DENYLIST},
             // clang-format on
     };