HalideProf should skip line prefixes
HalideProf should skip line prefixes

When parsing profiler output, HalideProf should skip the first few
words on each line (if necessary) before giving up; this makes
processing output from logs with per-line prefixes easier.

jiawen/Halide,kenkuang1213/Halide,dougkwan/Halide,aam/Halide,delcypher/Halide,aam/Halide,psuriana/Halide,ayanazmat/Halide,kenkuang1213/Halide,dan-tull/Halide,ronen/Halide,mcanthony/Halide,kenkuang1213/Halide,tdenniston/Halide,ayanazmat/Halide,adasworks/Halide,ayanazmat/Halide,adasworks/Halide,smxlong/Halide,adasworks/Halide,dougkwan/Halide,psuriana/Halide,tdenniston/Halide,jiawen/Halide,tdenniston/Halide,kenkuang1213/Halide,kenkuang1213/Halide,ayanazmat/Halide,lglucin/Halide,lglucin/Halide,psuriana/Halide,ronen/Halide,psuriana/Halide,fengzhyuan/Halide,damienfir/Halide,rodrigob/Halide,dan-tull/Halide,mcanthony/Halide,jiawen/Halide,delcypher/Halide,dougkwan/Halide,gchauras/Halide,mikeseven/Halide,dougkwan/Halide,damienfir/Halide,tdenniston/Halide,myrtleTree33/Halide,gchauras/Halide,smxlong/Halide,dan-tull/Halide,tdenniston/Halide,smxlong/Halide,mikeseven/Halide,delcypher/Halide,delcypher/Halide,myrtleTree33/Halide,rodrigob/Halide,rodrigob/Halide,kgnk/Halide,fengzhyuan/Halide,myrtleTree33/Halide,mikeseven/Halide,rodrigob/Halide,delcypher/Halide,damienfir/Halide,mcanthony/Halide,lglucin/Halide,kgnk/Halide,ronen/Halide,kenkuang1213/Halide,damienfir/Halide,adasworks/Halide,mcanthony/Halide,psuriana/Halide,damienfir/Halide,smxlong/Halide,dougkwan/Halide,kenkuang1213/Halide,fengzhyuan/Halide,delcypher/Halide,dougkwan/Halide,smxlong/Halide,fengzhyuan/Halide,dan-tull/Halide,myrtleTree33/Halide,delcypher/Halide,rodrigob/Halide,kgnk/Halide,gchauras/Halide,rodrigob/Halide,aam/Halide,dan-tull/Halide,fengzhyuan/Halide,lglucin/Halide,ronen/Halide,kgnk/Halide,ronen/Halide,myrtleTree33/Halide,fengzhyuan/Halide,kgnk/Halide,jiawen/Halide,aam/Halide,ayanazmat/Halide,smxlong/Halide,dougkwan/Halide,lglucin/Halide,ronen/Halide,aam/Halide,fengzhyuan/Halide,kenkuang1213/Halide,mcanthony/Halide,adasworks/Halide,tdenniston/Halide,jiawen/Halide,kgnk/Halide,tdenniston/Halide,mcanthony/Halide,rodrigob/Halide,psuriana/Halide,ayanazmat/Halide,damienfir/Halide,delcypher/Halide,adasworks/Halide,smxlong/Halide,lglucin/Halide,jiawen/Halide,rodrigob/Halide,myrtleTree33/Halide,smxlong/Halide,aam/Halide,jiawen/Halide,mikeseven/Halide,aam/Halide,dougkwan/Halide,myrtleTree33/Halide,adasworks/Halide,ronen/Halide,myrtleTree33/Halide,ronen/Halide,ayanazmat/Halide,damienfir/Halide,gchauras/Halide,mcanthony/Halide,kgnk/Halide,tdenniston/Halide,gchauras/Halide,psuriana/Halide,dan-tull/Halide,adasworks/Halide,kgnk/Halide,gchauras/Halide,ayanazmat/Halide,dan-tull/Halide,damienfir/Halide,mikeseven/Halide,lglucin/Halide,fengzhyuan/Halide,mcanthony/Halide,dan-tull/Halide