cmd/go: skip external tests on linux/arm
cmd/go: skip external tests on linux/arm

CL 13166 skipped external tests on freebsd/arm with the rationale
that the cmd/go tests are not architecture dependent.

This CL does the same for linux/arm to help linux/arm users who are
building Go on platforms like the Raspberry Pi where ./all.bash
frequently times out due to a lack of resources.

Change-Id: Iae1a25b63b74200da3f1b5637da0fa5c2dceeb83
Reviewed-on: https://go-review.googlesource.com/13342
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

CAFxX/go,nawawi/go,alex-zhang/go,rachtsingh/gogojuice,odeke-em/go,samanalysis/go,mikekap/go,Endika/go,kim-racktop/go,vanloswang/go,beealone/go,odeke-em/go,fjballest/golang,alex-zhang/go,NunoEdgarGub1/go,likesea/go,beealone/go,deft-code/go,CarterTsai/go,theif519/go,xiuzhifu/go,roth1002/go,vanloswang/go,mikekap/go,jonasi/go,Samurais/go,akutz/go,codestation/go,golang/go,vsekhar/elastic-go,CAFxX/go,ImJasonH/go,akutz/go,mwhudson/go,likesea/go,vsekhar/elastic-go,sndnvaps/go,Cofyc/go,mikekap/go,akutz/go,samanalysis/go,ganboing/go-esx,miolini/go,cyberroadie/go,christopher-henderson/Go,jonasi/go,Endika/go,jdhenke/go,momchil-velikov/go,ericsnowcurrently/go,dterei/go,dpatel06/go,suncycheng/go,samanalysis/go,myPublicGit/go,derekmarcotte/go,Pulgafree/go,Jordanzuo/go,jacobsa/go,linux-on-ibm-z/go,NunoEdgarGub1/go,ichu501/go,beealone/go,CarterTsai/go,ichu501/go,theif519/go,jacobsa/go,dterei/go,akutz/go,fjballest/golang,jacobhaven/go,derekmarcotte/go,alex-zhang/go,binarycrusader/go,polyverse-security/go,CarterTsai/go,fjballest/golang,goodlang/good,malvira/go,vsekhar/elastic-go,Jordanzuo/go,ichu501/go,CAFxX/go,cookerzhu/go,likesea/go,akutz/go,ericsnowcurrently/go,jonasi/go,polyverse-security/go,sndnvaps/go,ImJasonH/go,suncycheng/go,myPublicGit/go,suncycheng/go,ichu501/go,4ad/go,myPublicGit/go,nawawi/go,stormltf/go,4ad/go,mikekap/go,myPublicGit/go,CarterTsai/go,golang/go,xiuzhifu/go,vsekhar/elastic-go,dpatel06/go,GeorgiCodes/go,cloudflare/go,cyberroadie/go,GeorgiCodes/go,theif519/go,Pulgafree/go,vanloswang/go,Endika/go,theass/go,gdey/go,4ad/go,GeorgiCodes/go,kim-racktop/go,nawawi/go,NunoEdgarGub1/go,alex-zhang/go,theif519/go,alex-zhang/go,momchil-velikov/go,cookerzhu/go,jdhenke/go,jacobsa/go,deft-code/go,derekmarcotte/go,ganboing/go-esx,ImJasonH/go,nawawi/go,fjballest/golang,sndnvaps/go,codestation/go,rachtsingh/gogojuice,mwhudson/go,golang/go,rachtsingh/gogojuice,Pulgafree/go,b54898533/go,dpatel06/go,polyverse-security/go,suncycheng/go,CarterTsai/go,devpadawan/go,momchil-velikov/go,danielsoro/go,codestation/go,ganboing/go-esx,samanalysis/go,ericsnowcurrently/go,dterei/go,xiuzhifu/go,jdhenke/go,jonasi/go,roth1002/go,mwhudson/go,Samurais/go,ImJasonH/go,mwhudson/go,cyberroadie/go,danielsoro/go,jdhenke/go,ImJasonH/go,beealone/go,jacobhaven/go,CarterTsai/go,samanalysis/go,4ad/go,momchil-velikov/go,momchil-velikov/go,danielsoro/go,theif519/go,cookerzhu/go,fjballest/golang,snowsnail/go,xiuzhifu/go,nawawi/go,ganboing/go-esx,josharian/go,Endika/go,gdey/go,myPublicGit/go,jacobsa/go,GeorgiCodes/go,Cofyc/go,jacobsa/go,Samurais/go,gdey/go,devpadawan/go,cloudflare/go,xiuzhifu/go,ichu501/go,dpatel06/go,kim-racktop/go,stormltf/go,jacobhaven/go,4ad/go,CarterTsai/go,momchil-velikov/go,mikekap/go,binarycrusader/go,kim-racktop/go,skatsuta/go,Jordanzuo/go,yasarkunduz/go,joshsammut/go,theass/go,dterei/go,yasarkunduz/go,linux-on-ibm-z/go,deft-code/go,mikekap/go,Cofyc/go,devpadawan/go,GeorgiCodes/go,goodlang/good,samanalysis/go,alex-zhang/go,akutz/go,vsekhar/elastic-go,nawawi/go,Samurais/go,stormltf/go,beealone/go,skatsuta/go,danielsoro/go,yasarkunduz/go,vanloswang/go,cookerzhu/go,Pulgafree/go,roth1002/go,derekmarcotte/go,codestation/go,josharian/go,miolini/go,cookerzhu/go,NunoEdgarGub1/go,ImJasonH/go,snowsnail/go,golang/go,miolini/go,zhangg/go,joshsammut/go,theif519/go,jdhenke/go,cyberroadie/go,CAFxX/go,stormltf/go,sndnvaps/go,yasarkunduz/go,b54898533/go,vanloswang/go,samanalysis/go,sndnvaps/go,theass/go,GeorgiCodes/go,cloudflare/go,vsekhar/elastic-go,mwhudson/go,ganboing/go-esx,derekmarcotte/go,theass/go,danielsoro/go,Endika/go,Cofyc/go,stormltf/go,kim-racktop/go,nawawi/go,Endika/go,likesea/go,ericsnowcurrently/go,polyverse-security/go,beealone/go,codestation/go,stormltf/go,malvira/go,myPublicGit/go,roth1002/go,linux-on-ibm-z/go,vanloswang/go,snowsnail/go,NunoEdgarGub1/go,dterei/go,zhangg/go,zhangg/go,Jordanzuo/go,nawawi/go,devpadawan/go,linux-on-ibm-z/go,mwhudson/go,goodlang/good,dterei/go,cookerzhu/go,rachtsingh/gogojuice,theass/go,jdhenke/go,suncycheng/go,dterei/go,codestation/go,GeorgiCodes/go,jonasi/go,theif519/go,goodlang/good,deft-code/go,xiuzhifu/go,jacobsa/go,gdey/go,gdey/go,deft-code/go,4ad/go,polyverse-security/go,xiuzhifu/go,likesea/go,Pulgafree/go,golang/go,myPublicGit/go,jdhenke/go,b54898533/go,Cofyc/go,b54898533/go,malvira/go,devpadawan/go,sndnvaps/go,skatsuta/go,kim-racktop/go,yasarkunduz/go,odeke-em/go,Samurais/go,skatsuta/go,b54898533/go,vanloswang/go,zhangg/go,malvira/go,vsekhar/elastic-go,NunoEdgarGub1/go,derekmarcotte/go,joshsammut/go,CAFxX/go,Endika/go,likesea/go,odeke-em/go,momchil-velikov/go,odeke-em/go,roth1002/go,linux-on-ibm-z/go,theass/go,b54898533/go,cyberroadie/go,akutz/go,dpatel06/go,alex-zhang/go,josharian/go,ichu501/go,joshsammut/go,fjballest/golang,mwhudson/go,goodlang/good,josharian/go,kim-racktop/go,danielsoro/go,beealone/go,malvira/go,miolini/go,codestation/go,devpadawan/go,cyberroadie/go,snowsnail/go,skatsuta/go,fjballest/golang,b54898533/go,danielsoro/go,miolini/go,joshsammut/go,binarycrusader/go,jacobhaven/go,ImJasonH/go,zhangg/go,binarycrusader/go,deft-code/go,cloudflare/go,goodlang/good,CarterTsai/go,alex-zhang/go,4ad/go,roth1002/go,miolini/go,kim-racktop/go,derekmarcotte/go,Samurais/go,Jordanzuo/go,binarycrusader/go,samanalysis/go,mwhudson/go,goodlang/good,b54898533/go,polyverse-security/go,cloudflare/go,joshsammut/go,dpatel06/go,sndnvaps/go,Jordanzuo/go,golang/go,Samurais/go,jonasi/go,binarycrusader/go,theass/go,snowsnail/go,stormltf/go,devpadawan/go,jonasi/go,CAFxX/go,suncycheng/go,Pulgafree/go,Jordanzuo/go,josharian/go,jdhenke/go,gdey/go,skatsuta/go,mikekap/go,ericsnowcurrently/go,binarycrusader/go,snowsnail/go,Jordanzuo/go,malvira/go,CAFxX/go,jacobhaven/go,cookerzhu/go,codestation/go,vsekhar/elastic-go,snowsnail/go,dpatel06/go,danielsoro/go,ericsnowcurrently/go,joshsammut/go,mikekap/go,zhangg/go,cloudflare/go,zhangg/go,cloudflare/go,cyberroadie/go,Samurais/go,rachtsingh/gogojuice,4ad/go,linux-on-ibm-z/go,ichu501/go,Endika/go,cookerzhu/go,gdey/go,jacobsa/go,theass/go,miolini/go,joshsammut/go,ericsnowcurrently/go,goodlang/good,rachtsingh/gogojuice,linux-on-ibm-z/go,NunoEdgarGub1/go,josharian/go,momchil-velikov/go,cloudflare/go,stormltf/go,dpatel06/go,malvira/go,polyverse-security/go,golang/go,ericsnowcurrently/go,devpadawan/go,skatsuta/go,snowsnail/go,jacobhaven/go,polyverse-security/go,theif519/go,Cofyc/go,roth1002/go,yasarkunduz/go,vanloswang/go,binarycrusader/go,skatsuta/go,miolini/go,gdey/go,rachtsingh/gogojuice,Pulgafree/go,jonasi/go,beealone/go,sndnvaps/go,likesea/go,rachtsingh/gogojuice,Pulgafree/go,dterei/go,zhangg/go,ichu501/go,ganboing/go-esx,yasarkunduz/go,odeke-em/go,Cofyc/go,xiuzhifu/go,NunoEdgarGub1/go,deft-code/go,ganboing/go-esx,josharian/go,akutz/go,yasarkunduz/go,GeorgiCodes/go,odeke-em/go,suncycheng/go,jacobhaven/go,myPublicGit/go,fjballest/golang,roth1002/go,odeke-em/go,linux-on-ibm-z/go,likesea/go,jacobsa/go,Cofyc/go,josharian/go,suncycheng/go,malvira/go,golang/go,deft-code/go,cyberroadie/go,derekmarcotte/go,ImJasonH/go,jacobhaven/go,ganboing/go-esx,CAFxX/go