Dump connectivity trafficcontroller data to diagnose test failures.

Bug: 218308105
Test: atest com.android.cts.net.HostsideRestrictBackgroundNetworkTests
Change-Id: Ifafe7c96122cf4197dd2f12569b6bd9788cfa66c
diff --git a/tests/cts/hostside/app/src/com/android/cts/net/hostside/DumpOnFailureRule.java b/tests/cts/hostside/app/src/com/android/cts/net/hostside/DumpOnFailureRule.java
index 0526a75..78ae7b8 100644
--- a/tests/cts/hostside/app/src/com/android/cts/net/hostside/DumpOnFailureRule.java
+++ b/tests/cts/hostside/app/src/com/android/cts/net/hostside/DumpOnFailureRule.java
@@ -62,6 +62,7 @@
                     "dumpsys network_management",
                     "dumpsys usagestats " + TEST_PKG + " " + TEST_APP2_PKG,
                     "dumpsys usagestats appstandby",
+                    "dumpsys connectivity trafficcontroller",
                     "dumpsys netd trafficcontroller",
             }) {
                 dumpCommandOutput(out, cmd);