BUG 2353 : LeafSetEntryBuilder does not compare byte array values correctly

Use Object.deepEquals to compare the value of the NodeIdentifier and the actual
value to be set on the LeafSetEntry

Change-Id: I4482b19d029058a0f78d3b19508d6f7797448710
Signed-off-by: Moiz Raja <moraja@cisco.com>