bytes: use Run method for benchmarks
bytes: use Run method for benchmarks

Change-Id: I34ab1003099570f0ba511340e697a648de31d08a
Reviewed-on: https://go-review.googlesource.com/23427
Run-TryBot: Marcel van Lohuizen <a22d082192f3ccf984644a4f482781f4c2d65180@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Robert Griesemer <a6752097faebf1f02d80107d77a9be009089afe3@golang.org>

ImJasonH/go,theif519/go,Cofyc/go,linux-on-ibm-z/go,golang/go,cloudflare/go,akutz/go,golang/go,codestation/go,golang/go,ImJasonH/go,CAFxX/go,momchil-velikov/go,codestation/go,christopher-henderson/Go,CAFxX/go,cloudflare/go,nawawi/go,josharian/go,CAFxX/go,derekmarcotte/go,nawawi/go,codestation/go,polyverse-security/go,goodlang/good,momchil-velikov/go,codestation/go,codestation/go,suncycheng/go,nawawi/go,akutz/go,akutz/go,derekmarcotte/go,linux-on-ibm-z/go,ImJasonH/go,4ad/go,momchil-velikov/go,nawawi/go,theif519/go,ImJasonH/go,vsekhar/elastic-go,momchil-velikov/go,akutz/go,polyverse-security/go,CAFxX/go,theif519/go,CAFxX/go,golang/go,4ad/go,Cofyc/go,CAFxX/go,momchil-velikov/go,polyverse-security/go,theif519/go,nawawi/go,theif519/go,golang/go,polyverse-security/go,cloudflare/go,4ad/go,akutz/go,4ad/go,josharian/go,Cofyc/go,suncycheng/go,polyverse-security/go,nawawi/go,codestation/go,linux-on-ibm-z/go,codestation/go,momchil-velikov/go,goodlang/good,linux-on-ibm-z/go,CAFxX/go,ImJasonH/go,ImJasonH/go,akutz/go,vsekhar/elastic-go,suncycheng/go,Cofyc/go,goodlang/good,vsekhar/elastic-go,goodlang/good,linux-on-ibm-z/go,vsekhar/elastic-go,momchil-velikov/go,Cofyc/go,linux-on-ibm-z/go,cloudflare/go,vsekhar/elastic-go,akutz/go,josharian/go,momchil-velikov/go,cloudflare/go,nawawi/go,goodlang/good,derekmarcotte/go,derekmarcotte/go,golang/go,linux-on-ibm-z/go,vsekhar/elastic-go,goodlang/good,nawawi/go,ImJasonH/go,suncycheng/go,Cofyc/go,derekmarcotte/go,suncycheng/go,vsekhar/elastic-go,cloudflare/go,golang/go,4ad/go,theif519/go,cloudflare/go,CAFxX/go,4ad/go,josharian/go,linux-on-ibm-z/go,theif519/go,codestation/go,derekmarcotte/go,suncycheng/go,vsekhar/elastic-go,goodlang/good,cloudflare/go,theif519/go,josharian/go,Cofyc/go,josharian/go,4ad/go,polyverse-security/go,Cofyc/go,josharian/go,ImJasonH/go,akutz/go,derekmarcotte/go,golang/go,josharian/go,suncycheng/go,polyverse-security/go,suncycheng/go,polyverse-security/go,derekmarcotte/go,goodlang/good,4ad/go