Fix the sense of when mutexes are used for longs in atomic support.
Fix the sense of when mutexes are used for longs in atomic support.

Change-Id: Ice50519a511e98fdc2fe74cd9eb77c32872022b4

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst