{Custom|Elastic|}IndexIT: Add javadoc with semantic link

To help differentiate the purpose of each such sibling index test class.

Change-Id: I19d4ac22d47ab0ec3fab724e7b060c91e1ccccd9
1 file changed
tree: cfdeada45ef80c832d0c3921ffd8407e4f2d25ff
  1. java/
  2. javatests/