Add ARP offload for APFv6 multi-devices tests

Test: m connectivity_multi_devices_snippet && atest CtsConnectivityMultiDevicesTestCases
Change-Id: I32dae14d3bd6400ff47cc545410242f2ccd8f1ab
diff --git a/tests/cts/multidevices/Android.bp b/tests/cts/multidevices/Android.bp
index 949be85..a082a95 100644
--- a/tests/cts/multidevices/Android.bp
+++ b/tests/cts/multidevices/Android.bp
@@ -22,6 +22,7 @@
     main: "run_tests.py",
     srcs: [
         "apfv4_test.py",
+        "apfv6_test.py",
         "connectivity_multi_devices_test.py",
         "run_tests.py",
     ],