ElasticContainer: Upgrade V6_8 to elasticsearch 6.8.10

Change-Id: I208764b373bc46957e79a5c887b63ac28c79ff6f
1 file changed
tree: 1ce6c6bb1047a2104f80b3c1904c3a5c593b4dc1
  1. java/
  2. javatests/