runtime: skip TestSignalExitStatus on Solaris
runtime: skip TestSignalExitStatus on Solaris

Update #14063.

Change-Id: Id13456deb15c90a8af282b77d78ff5cdbd1de8bf
Reviewed-on: https://go-review.googlesource.com/19208
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Reviewed-by: Minux Ma <72d850dbd8858b791995463d8539b5a379577f28@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

golang/go,Samurais/go,polyverse-security/go,Samurais/go,golang/go,mwhudson/go,Endika/go,nawawi/go,derekmarcotte/go,goodlang/good,sndnvaps/go,cloudflare/go,vanloswang/go,miolini/go,binarycrusader/go,CAFxX/go,mwhudson/go,cloudflare/go,codestation/go,CAFxX/go,derekmarcotte/go,derekmarcotte/go,sndnvaps/go,mwhudson/go,theif519/go,ImJasonH/go,4ad/go,linux-on-ibm-z/go,CAFxX/go,momchil-velikov/go,binarycrusader/go,vanloswang/go,ganboing/go-esx,nawawi/go,ganboing/go-esx,4ad/go,josharian/go,vanloswang/go,Samurais/go,derekmarcotte/go,theif519/go,binarycrusader/go,4ad/go,ImJasonH/go,binarycrusader/go,ImJasonH/go,momchil-velikov/go,codestation/go,linux-on-ibm-z/go,linux-on-ibm-z/go,Samurais/go,suncycheng/go,codestation/go,vanloswang/go,Endika/go,linux-on-ibm-z/go,suncycheng/go,vsekhar/elastic-go,golang/go,4ad/go,nawawi/go,polyverse-security/go,mwhudson/go,sndnvaps/go,theif519/go,binarycrusader/go,derekmarcotte/go,akutz/go,polyverse-security/go,theif519/go,josharian/go,sndnvaps/go,Endika/go,goodlang/good,miolini/go,josharian/go,miolini/go,suncycheng/go,suncycheng/go,sndnvaps/go,akutz/go,ImJasonH/go,sndnvaps/go,ganboing/go-esx,mwhudson/go,linux-on-ibm-z/go,vsekhar/elastic-go,miolini/go,goodlang/good,golang/go,nawawi/go,akutz/go,CAFxX/go,mwhudson/go,momchil-velikov/go,Cofyc/go,4ad/go,nawawi/go,binarycrusader/go,cloudflare/go,CAFxX/go,derekmarcotte/go,momchil-velikov/go,Cofyc/go,ImJasonH/go,goodlang/good,theif519/go,vsekhar/elastic-go,nawawi/go,codestation/go,akutz/go,josharian/go,mwhudson/go,codestation/go,vsekhar/elastic-go,4ad/go,4ad/go,vsekhar/elastic-go,goodlang/good,akutz/go,theif519/go,sndnvaps/go,vsekhar/elastic-go,Cofyc/go,Endika/go,Samurais/go,Cofyc/go,CAFxX/go,Samurais/go,CAFxX/go,linux-on-ibm-z/go,suncycheng/go,polyverse-security/go,cloudflare/go,golang/go,linux-on-ibm-z/go,suncycheng/go,ganboing/go-esx,momchil-velikov/go,Cofyc/go,akutz/go,codestation/go,goodlang/good,Endika/go,theif519/go,polyverse-security/go,ImJasonH/go,suncycheng/go,golang/go,josharian/go,momchil-velikov/go,momchil-velikov/go,CAFxX/go,miolini/go,ganboing/go-esx,goodlang/good,josharian/go,momchil-velikov/go,goodlang/good,theif519/go,mwhudson/go,golang/go,polyverse-security/go,cloudflare/go,linux-on-ibm-z/go,miolini/go,cloudflare/go,ganboing/go-esx,ganboing/go-esx,nawawi/go,Endika/go,vanloswang/go,suncycheng/go,miolini/go,derekmarcotte/go,sndnvaps/go,Cofyc/go,codestation/go,polyverse-security/go,golang/go,vsekhar/elastic-go,binarycrusader/go,akutz/go,Cofyc/go,vsekhar/elastic-go,miolini/go,codestation/go,cloudflare/go,christopher-henderson/Go,cloudflare/go,josharian/go,4ad/go,josharian/go,Endika/go,ImJasonH/go,Samurais/go,vanloswang/go,akutz/go,nawawi/go,vanloswang/go,polyverse-security/go,Samurais/go,vanloswang/go,Cofyc/go,ImJasonH/go,Endika/go,ganboing/go-esx,binarycrusader/go,derekmarcotte/go