Disable android.admin.cts.DevicePolicyManagerTest#testUninstallAllUserCaCerts_failIfNotProfileOwner

uninstallAllUserCaCerts does not throw the expected security exception
when called with empty CA store. Wait for the platform to fix this inconsistency.

Bug: 17508787
Change-Id: Iab88680f305a9a8761fcf9e43df8147fcf1271a1
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index 609732b..3cbe53c 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -87,5 +87,12 @@
     "android.app.cts.InstrumentationTest#testContext"
   ],
   bug: 17614217
+},
+{
+  description: "Current implementation of uninstallAllUserCaCerts does not throw expected security exception, wait for fix from framework",
+  names: [
+    "android.admin.cts.DevicePolicyManagerTest#testUninstallAllUserCaCerts_failIfNotProfileOwner"
+  ],
+  bug: 17508787
 }
 ]