scripts: check if we run on an AppArmor enabled system before loading profile

scripts/container-manager.sh

@@ -38,8 +38,10 @@ start() {
 	# liblxc.so.1 is in $SNAP/lib
 	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SNAP/lib
 
-	# Load the profile for our Android container
-	$SNAP/sbin/apparmor_parser -r $SNAP/apparmor/anbox-container.aa
+	if [ -d /sys/kernel/security/apparmor ] ; then
+		# Load the profile for our Android container
+		$SNAP/sbin/apparmor_parser -r $SNAP/apparmor/anbox-container.aa
+	fi
 
 	exec $AA_EXEC $SNAP/bin/anbox-wrapper.sh container-manager \
 		--data-path=$DATA_PATH \