Implemented BlindOneLayerRegisterIndex() and added a simple unit test. A more usage test would be finish all methods and run the entire mpc protocol to check the final result.
Implemented BlindOneLayerRegisterIndex() and added a simple unit test.
A more usage test would be finish all methods and run the entire mpc
protocol to check the final result.

Change-Id: Ic161b274e682f06c4438f2f814d2bffc3ba503dd

world-federation-of-advertisers/common-jvm,world-federation-of-advertisers/common-jvm