Update EditBin target to use VsInstallRoot property (#1839)
Update EditBin target to use VsInstallRoot property (#1839)

VS150COMNTOOLS is not defined in our MicroBuild environment.
sean-gilliam/msbuild,mono/msbuild,Microsoft/msbuild,cdmihai/msbuild,chipitsine/msbuild,jeffkl/msbuild,rainersigwald/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,Microsoft/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,Microsoft/msbuild,jeffkl/msbuild,mono/msbuild,chipitsine/msbuild,rainersigwald/msbuild,mono/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,cdmihai/msbuild,jeffkl/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,Microsoft/msbuild,rainersigwald/msbuild,chipitsine/msbuild,cdmihai/msbuild,AndyGerlicher/msbuild,jeffkl/msbuild,mono/msbuild