cmd/link: introduce and use peFile.writeSymbolTableAndStringTable
cmd/link: introduce and use peFile.writeSymbolTableAndStringTable

Change-Id: I506f5e146f3b5bf359d6932a85ac5572d3a3f103
Reviewed-on: https://go-review.googlesource.com/59426
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

akutz/go,Cofyc/go,akutz/go,cloudflare/go,akutz/go,golang/go,polyverse-security/go,akutz/go,josharian/go,polyverse-security/go,codestation/go,cloudflare/go,nawawi/go,akutz/go,codestation/go,nawawi/go,josharian/go,josharian/go,CAFxX/go,akutz/go,polyverse-security/go,codestation/go,nawawi/go,codestation/go,polyverse-security/go,nawawi/go,Cofyc/go,polyverse-security/go,golang/go,golang/go,nawawi/go,Cofyc/go,Cofyc/go,josharian/go,golang/go,CAFxX/go,polyverse-security/go,Cofyc/go,golang/go,christopher-henderson/Go,codestation/go,Cofyc/go,cloudflare/go,polyverse-security/go,josharian/go,cloudflare/go,josharian/go,josharian/go,nawawi/go,CAFxX/go,cloudflare/go,nawawi/go,codestation/go,Cofyc/go,golang/go,codestation/go,CAFxX/go,CAFxX/go,codestation/go,CAFxX/go,golang/go,cloudflare/go,Cofyc/go,nawawi/go,josharian/go,cloudflare/go,akutz/go,golang/go,CAFxX/go,cloudflare/go,polyverse-security/go,akutz/go,CAFxX/go