Update BuildTools, PgoData to preview1-02821-03, master-20180521-0051, respectively...
authordotnet-maestro-bot <dotnet-maestro-bot@microsoft.com>
Mon, 21 May 2018 23:31:29 +0000 (16:31 -0700)
committerJan Kotas <jkotas@microsoft.com>
Mon, 21 May 2018 23:31:29 +0000 (16:31 -0700)
commit6b83539154101a81c4750531337f1a656f2967cf
tree94ebb5b79318c6232491dda2e23d35945a099281
parentc05a7c7fb9b6b0266985b62d58aaffdf68c6d52b
Update BuildTools, PgoData to preview1-02821-03, master-20180521-0051, respectively (dotnet/coreclr#18066)

Commit migrated from https://github.com/dotnet/coreclr/commit/3910feed29faffb67a0cacf9470461219539e632
src/coreclr/BuildToolsVersion.txt
src/coreclr/dependencies.props