SEBA-976 IgmpProxy monitors sinks by sending IGMP Query messages.
Generated messages are 54 bytes long. However, they should be min
64 bytes in length according to the Ethernet standard in order to
be transferred to ONUs.

Solution: padding flag of an Ethernet object is set to true.

Change-Id: I6282c645b58bdc3810755fed644379408893d99e
diff --git a/app/src/main/java/org/opencord/igmpproxy/impl/IgmpSender.java b/app/src/main/java/org/opencord/igmpproxy/impl/IgmpSender.java
index ec958f4..39d6046 100644
--- a/app/src/main/java/org/opencord/igmpproxy/impl/IgmpSender.java
+++ b/app/src/main/java/org/opencord/igmpproxy/impl/IgmpSender.java
@@ -152,6 +152,7 @@
 
         IPv4 ip4Packet = new IPv4();
         Ethernet ethPkt = new Ethernet();
+        ethPkt.setPad(true);
 
         igmpPacket.setIgmpType(type);