[REEF-1539] Fix memory leak in InteropUtil.cpp
[REEF-1539] Fix memory leak in InteropUtil.cpp

This addressed the issue by
  * Release the bytes generated in ManagedByteArrayFromJavaByteArray.

JIRA:
  [REEF-1539](https://issues.apache.org/jira/browse/REEF-1539)

apache/incubator-reef,afchung/incubator-reef,shravanmn/reef,motus/reef,anupam128/reef,anupam128/reef,apache/reef,dougmsft/reef,apache/incubator-reef,afchung/incubator-reef,markusweimer/reef,singlis/reef,tcNickolas/incubator-reef,motus/reef,dongjoon-hyun/reef,afchung/reef,anupam128/reef,markusweimer/incubator-reef,markusweimer/incubator-reef,markusweimer/incubator-reef,jwang98052/incubator-reef,afchung/incubator-reef,jwang98052/incubator-reef,shulmanb/reef,dougmsft/reef,dongjoon-hyun/reef,apache/incubator-reef,jwang98052/reef,afchung/reef,motus/reef,nachocano/incubator-reef,dongjoon-hyun/reef,dongjoon-hyun/incubator-reef,nachocano/incubator-reef,dongjoon-hyun/incubator-reef,markusweimer/incubator-reef,apache/reef,shulmanb/reef,tcNickolas/reef,singlis/reef,tcNickolas/reef,tcNickolas/incubator-reef,motus/reef,nachocano/incubator-reef,apache/reef,apache/reef,tcNickolas/reef,singlis/reef,shulmanb/reef,nachocano/incubator-reef,tcNickolas/reef,apache/incubator-reef,motus/reef,dougmsft/reef,anupam128/reef,afchung/reef,apache/incubator-reef,dongjoon-hyun/incubator-reef,dongjoon-hyun/reef,markusweimer/reef,dongjoon-hyun/incubator-reef,motus/reef,markusweimer/reef,afchung/incubator-reef,tcNickolas/incubator-reef,shravanmn/reef,shulmanb/reef,dougmsft/reef,apache/reef,tcNickolas/incubator-reef,shravanmn/reef,nachocano/incubator-reef,shravanmn/reef,jwang98052/incubator-reef,nachocano/incubator-reef,nachocano/incubator-reef,tcNickolas/reef,shulmanb/reef,jwang98052/incubator-reef,motus/reef,afchung/reef,jwang98052/incubator-reef,dongjoon-hyun/reef,markusweimer/reef,tcNickolas/incubator-reef,markusweimer/incubator-reef,singlis/reef,jwang98052/reef,singlis/reef,markusweimer/incubator-reef,apache/reef,tcNickolas/incubator-reef,shravanmn/reef,afchung/reef,apache/incubator-reef,jwang98052/incubator-reef,dongjoon-hyun/reef,singlis/reef,shulmanb/reef,anupam128/reef,dongjoon-hyun/incubator-reef,dougmsft/reef,tcNickolas/reef,afchung/incubator-reef,afchung/reef,singlis/reef,dougmsft/reef,afchung/incubator-reef,markusweimer/reef,dongjoon-hyun/reef,dongjoon-hyun/incubator-reef,jwang98052/reef,jwang98052/reef,anupam128/reef,dongjoon-hyun/incubator-reef,dougmsft/reef,jwang98052/reef,markusweimer/reef,afchung/incubator-reef,shravanmn/reef,afchung/reef,jwang98052/incubator-reef,apache/reef,shravanmn/reef,jwang98052/reef,shulmanb/reef,tcNickolas/reef,tcNickolas/incubator-reef,markusweimer/incubator-reef,jwang98052/reef,markusweimer/reef,anupam128/reef,apache/incubator-reef