Fix profiling regression caused by bugfix.
Fix profiling regression caused by bugfix.

Properly set the context associated with each allocated object, even
when the object is not sampled.

Remove debug print code that slipped in.

cpeterso/jemalloc,AndroidExternal/jemalloc,geekboxzone/mmallow_external_jemalloc,sudosurootdev/external_jemalloc,geekboxzone/lollipop_external_jemalloc,TeamExodus/external_jemalloc,wqfish/jemalloc,cpeterso/jemalloc,glandium/jemalloc,splbio/jemalloc,dxq-git/jemalloc,CyanogenMod/android_external_jemalloc,lvfeng1130/jemalloc,wespelee/jemalloc,kmiku7/jemalloc,8l/jemalloc,8l/jemalloc,flyfeifan/jemalloc,android-ia/platform_external_jemalloc,dcreager/jemalloc,splbio/jemalloc,VRToxin/android_external_jemalloc,splbio/jemalloc,lilothar/jemalloc,Dmitry-Me/jemalloc,xin3liang/platform_external_jemalloc,glandium/jemalloc,shekkbuilder/jemalloc,wfxiang08/jemalloc,android-ia/platform_external_jemalloc,VRToxin/android_external_jemalloc,wespelee/jemalloc,CyanogenMod/android_external_jemalloc,TeamExodus/external_jemalloc,awreece/jemalloc,dxq-git/jemalloc,CMRemix/android_external_jemalloc,xin3liang/platform_external_jemalloc,kmiku7/jemalloc,VRToxin/android_external_jemalloc,shekkbuilder/jemalloc,Dmitry-Me/jemalloc,yy-nm/jemalloc,dxq-git/jemalloc,glandium/jemalloc,tempbottle/jemalloc,lilothar/jemalloc,ahmetmircik/jemalloc,Dmitry-Me/jemalloc,yy-nm/jemalloc,xin3liang/platform_external_jemalloc,flyfeifan/jemalloc,flyfeifan/jemalloc,percona/jemalloc-debian,garoose/jemalloc,CyanogenMod/android_external_jemalloc,wqfish/jemalloc,wespelee/jemalloc,geekboxzone/lollipop_external_jemalloc,leebaok/jemalloc-4.2.1-readcode,dcreager/jemalloc,sudosurootdev/external_jemalloc,TeamExodus/external_jemalloc,geekboxzone/mmallow_external_jemalloc,ahmetmircik/jemalloc,wfxiang08/jemalloc,cpeterso/jemalloc,leebaok/jemalloc-4.2.1-readcode,Snaipe/jemalloc,percona/jemalloc-debian,CMRemix/android_external_jemalloc,garoose/jemalloc,AndroidExternal/jemalloc,jemalloc/jemalloc-cmake,flyfeifan/jemalloc,geekboxzone/mmallow_external_jemalloc,garoose/jemalloc,ahmetmircik/jemalloc,xin3liang/platform_external_jemalloc,wqfish/jemalloc,vashstorm/jemalloc,geekboxzone/mmallow_external_jemalloc,vashstorm/jemalloc,yy-nm/jemalloc,AndroidExternal/jemalloc,glandium/jemalloc,yy-nm/jemalloc,dcreager/jemalloc,lilothar/jemalloc,AndroidExternal/jemalloc,kmiku7/jemalloc,awreece/jemalloc,leebaok/jemalloc-4.2.1-readcode,leebaok/jemalloc-4.2.1-readcode,android-ia/platform_external_jemalloc,lvfeng1130/jemalloc,wfxiang08/jemalloc,CMRemix/android_external_jemalloc,VRToxin/android_external_jemalloc,garoose/jemalloc,shekkbuilder/jemalloc,tempbottle/jemalloc,awreece/jemalloc,wespelee/jemalloc,Snaipe/jemalloc,CMRemix/android_external_jemalloc,vashstorm/jemalloc,wfxiang08/jemalloc,vashstorm/jemalloc,jemalloc/jemalloc-cmake,8l/jemalloc,8l/jemalloc,Snaipe/jemalloc,percona/jemalloc-debian,ahmetmircik/jemalloc,lilothar/jemalloc,kmiku7/jemalloc,wqfish/jemalloc,shekkbuilder/jemalloc,tempbottle/jemalloc,geekboxzone/lollipop_external_jemalloc,Snaipe/jemalloc,cpeterso/jemalloc,geekboxzone/lollipop_external_jemalloc,jemalloc/jemalloc-cmake,wqfish/jemalloc,sudosurootdev/external_jemalloc,CyanogenMod/android_external_jemalloc,lvfeng1130/jemalloc,tempbottle/jemalloc,percona/jemalloc-debian,sudosurootdev/external_jemalloc,dxq-git/jemalloc,android-ia/platform_external_jemalloc,awreece/jemalloc,Dmitry-Me/jemalloc,TeamExodus/external_jemalloc,lvfeng1130/jemalloc,jemalloc/jemalloc-cmake