Create SELinux hostside test to check all domains are enforcing.

Change-Id: I37936fed33c337e1ab2816258c2aff52700af116
diff --git a/CtsTestCaseList.mk b/CtsTestCaseList.mk
index d9af12e..7d1b8db 100644
--- a/CtsTestCaseList.mk
+++ b/CtsTestCaseList.mk
@@ -138,6 +138,7 @@
     CtsHostUi \
     CtsMonkeyTestCases \
     CtsThemeHostTestCases \
+    CtsSecurityHostTestCases \
     CtsUsbTests
 
 # Native test executables that need to have associated test XMLs.