Fix out-of-bound index in PrAddUTHitsTool
add protection in PrAddUTHitsTool.cpp
to avoid random values for those with index out-of-bound
To address the failure in throughput test as mentioned here
Edited by Peilian Li
add protection in PrAddUTHitsTool.cpp
to avoid random values for those with index out-of-bound
To address the failure in throughput test as mentioned here