Prevent crash in case where NLP is not available. Also fix an integer overflow bug that remained uncaught. BUG: 22345134 Change-Id: If6ff7b12f0d15bb2fe97589f8b0be10f9ed06197 (cherry picked from commit 2ec5c5cced4bd5b9dfbb7578f573c56b3bbc7ddf)
Prevent crash in case where NLP is not available. Also fix an integer overflow bug that remained uncaught. BUG: 22345134 Change-Id: If6ff7b12f0d15bb2fe97589f8b0be10f9ed06197 (cherry picked from commit 2ec5c5cced4bd5b9dfbb7578f573c56b3bbc7ddf)