Added a description to emplace_back for the bslstl vector
Added a description to emplace_back for the bslstl vector

bloomberg/bde-allocator-benchmarks,bowlofstew/bde,gbleaney/Allocator-Benchmarks,frutiger/bde,mversche/bde,saxena84/bde,bloomberg/bde-allocator-benchmarks,apaprocki/bde,apaprocki/bde,dharesign/bde,abeels/bde,apaprocki/bde,RMGiroux/bde-allocator-benchmarks,bloomberg/bde,RMGiroux/bde-allocator-benchmarks,dbremner/bde,bloomberg/bde,dharesign/bde,bloomberg/bde-allocator-benchmarks,bloomberg/bde,dbremner/bde,minhlongdo/bde,abeels/bde,saxena84/bde,dbremner/bde,dharesign/bde,jmptrader/bde,dbremner/bde,osubboo/bde,frutiger/bde,bowlofstew/bde,idispatch/bde,minhlongdo/bde,dharesign/bde,che2/bde,osubboo/bde,frutiger/bde,abeels/bde,che2/bde,gbleaney/Allocator-Benchmarks,RMGiroux/bde-allocator-benchmarks,mversche/bde,bowlofstew/bde,RMGiroux/bde-allocator-benchmarks,mversche/bde,bloomberg/bde,gbleaney/Allocator-Benchmarks,osubboo/bde,idispatch/bde,gbleaney/Allocator-Benchmarks,jmptrader/bde,idispatch/bde,apaprocki/bde,mversche/bde,che2/bde,abeels/bde,saxena84/bde,minhlongdo/bde,jmptrader/bde,osubboo/bde,frutiger/bde,minhlongdo/bde,abeels/bde,bloomberg/bde-allocator-benchmarks,abeels/bde,apaprocki/bde,saxena84/bde,bloomberg/bde-allocator-benchmarks,bowlofstew/bde,RMGiroux/bde-allocator-benchmarks,idispatch/bde,che2/bde,jmptrader/bde,bloomberg/bde