Make TrafficTreatment.Builder.setLambda() deprecated

It is recommended to avoid to use a raw integer value to specify a lambda.

Replace uses of the deprecated method with the alternative

Change-Id: I108f0d15f4503df2a6a75c4f7c77aa0c678ff541
diff --git a/core/api/src/test/java/org/onosproject/net/flow/DefaultTrafficTreatmentTest.java b/core/api/src/test/java/org/onosproject/net/flow/DefaultTrafficTreatmentTest.java
index fcf6d9c..288f5f2 100644
--- a/core/api/src/test/java/org/onosproject/net/flow/DefaultTrafficTreatmentTest.java
+++ b/core/api/src/test/java/org/onosproject/net/flow/DefaultTrafficTreatmentTest.java
@@ -69,7 +69,7 @@
                 .setEthSrc(MacAddress.BROADCAST)
                 .setIpDst(IpAddress.valueOf("1.1.1.1"))
                 .setIpSrc(IpAddress.valueOf("2.2.2.2"))
-                .setLambda((short) 4)
+                .add(Instructions.modL0Lambda(new IndexedLambda(4)))
                 .setOutput(PortNumber.portNumber(2))
                 .setVlanId(VlanId.vlanId((short) 4))
                 .setVlanPcp((byte) 3);