Disable WiredHeadset tests

Bug: 26149528
Change-Id: I607fad503a301cf2760f05f12d929f92d2073b79
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 5ea4322..48f8ba3 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -327,5 +327,12 @@
   description: "Still investigating this, root cause unknown yet",
   bug: 27578806,
   names: ["com.android.cts.cpptools.RunAsHostTest#testRunAs"]
+},
+{
+  description: "Wired headset tests are no longer a requirement per CDD",
+  names: [
+    "android.telecom.cts.WiredHeadsetTest"
+  ],
+  bug: 26149528
 }
 ]