DO NOT MERGE Update Test Expectations

Blacklist 2 AppSecurityTests that require shell pm commands, because
the commadns do not have enough permissions on user builds.

Bug 6721185

Change-Id: Ieaebaecad0151c4db91f4074b8048dbafa5fced1
diff --git a/tests/expectations/knownfailures.txt b/tests/expectations/knownfailures.txt
index f805d32..d742509 100644
--- a/tests/expectations/knownfailures.txt
+++ b/tests/expectations/knownfailures.txt
@@ -1,5 +1,12 @@
 [
   {
+    names: [
+      "com.android.cts.appsecurity.AppSecurityTests#testReadExternalStorageEnforced",
+      "com.android.cts.appsecurity.AppSecurityTests#testReadExternalStorageUnenforced"
+    ],
+    bug: 6721185
+  },
+  {
     name: "android.accessibilityservice.cts.AccessibilityTextTraversalTest#testActionNextAndPreviousAtGranularityPageOverText",
     bug: 6468754
   },