Files missing proper Apache license header

lib/java/src/org/apache/thrift/transport: TMemoryInputTransport.java
lib/java/test/org/apache/thrift/TestStruct.java
lib/java/test/org/apache/thrift/TestTBaseHelper.java
lib/java/test/org/apache/thrift/TestTUnion.java
lib/java/test/org/apache/thrift/transport/TestTMemoryInputTransport.java
lib/js/test/src/test/TestHandler.java
lib/py/src/TSerialization.py