Update BuildTools, CoreClr to preview2-02528-07, preview2-26228-08, respectively...
authordotnet-maestro-bot <dotnet-maestro-bot@microsoft.com>
Thu, 1 Mar 2018 05:32:39 +0000 (23:32 -0600)
committerAhson Khan <ahkha@microsoft.com>
Thu, 1 Mar 2018 05:32:39 +0000 (21:32 -0800)
commitd31e1881b42a16fae1e70ff49a2c1844ff96ff45
treea2ec65e5dd03d8202c768d8b93eb88ccfdfde4c4
parentd53d38739e7155eafb8d0f5b7f7288df6dbd8a51
Update BuildTools, CoreClr to preview2-02528-07, preview2-26228-08, respectively (dotnet/core-setup#3747)

Commit migrated from https://github.com/dotnet/core-setup/commit/115cdc7581ff6682da842927e3cd536bd48f36c6
src/installer/BuildToolsVersion.txt
src/installer/dependencies.props