bind: remove temporary files used in tests
bind: remove temporary files used in tests

Fixes golang/go#9513

Change-Id: I19a14f6e8f24396e5a191258917e5ff9caf8928a
Reviewed-on: https://go-review.googlesource.com/2343
Reviewed-by: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>

goldcaddy77/mobile,grategames/mobile,freeman0211/mobile,xing/gomobile,swisspol/mobile,swisspol/mobile,ppamorim/mobile,steeve/mobile,swisspol/mobile,xing/gomobile,0x90sled/mobile,goldcaddy77/mobile,grategames/mobile,qskycolor/mobile,b54898533/mobile,b54898533/mobile,cainiaocome/mobile,lonphy23t/mobile,xing/gomobile,cainiaocome/mobile,samanalysis/mobile,xing/gomobile,ppamorim/mobile,zach-klippenstein/mobile,MaxCy330/mobile,golang/mobile,tempbottle/mobile,b54898533/mobile,MaxCy330/mobile,b54898533/mobile,tempbottle/mobile,MaxCy330/mobile,tempbottle/mobile,ppamorim/mobile,DanielWorld/mobile,freeman0211/mobile,zach-klippenstein/mobile,goldcaddy77/mobile,ichu501/mobile,cainiaocome/mobile,freeman0211/mobile,freeman0211/mobile,ichu501/mobile,b54898533/mobile,lonphy23t/mobile,ichu501/mobile,zach-klippenstein/mobile,samanalysis/mobile,steeve/mobile,DanielWorld/mobile,0x90sled/mobile,MaxCy330/mobile,swisspol/mobile,DanielWorld/mobile,qskycolor/mobile,MaxCy330/mobile,zach-klippenstein/mobile,lonphy23t/mobile,ppamorim/mobile,steeve/mobile,golang/mobile,goldcaddy77/mobile,goldcaddy77/mobile,xing/gomobile,0x90sled/mobile,qskycolor/mobile,grategames/mobile,steeve/mobile,golang/mobile,lonphy23t/mobile,golang/mobile,0x90sled/mobile,samanalysis/mobile,samanalysis/mobile,samanalysis/mobile,grategames/mobile,lonphy23t/mobile,ppamorim/mobile,tempbottle/mobile,cainiaocome/mobile,tempbottle/mobile,0x90sled/mobile,qskycolor/mobile,cainiaocome/mobile,swisspol/mobile,ichu501/mobile,ichu501/mobile,DanielWorld/mobile