Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-optimization build 20190506.1 (#37470)

- optimization.windows_nt-x64.IBC.CoreFx - 99.99.99-master-20190506.1

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -94,9 +94,9 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>a7a250e9c13147134543c35fef2fb81f19592edf</Sha>
     </Dependency>
-    <Dependency Name="optimization.windows_nt-x64.IBC.CoreFx" Version="99.99.99-master-20190505.1">
+    <Dependency Name="optimization.windows_nt-x64.IBC.CoreFx" Version="99.99.99-master-20190506.1">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>ae67e92d954578d6c8a2ba8bab0481288e04f967</Sha>
+      <Sha>1c49409dc0cd36d049721c39b4f4013562a9625b</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/Versions.props

@@ -48,6 +48,6 @@
     <!-- Standard dependencies -->
     <NETStandardLibraryPackageVersion>2.1.0-prerelease.19230.1</NETStandardLibraryPackageVersion>
     <!-- dotnet-optimization dependencies -->
-    <optimizationwindows_ntx64IBCCoreFxPackageVersion>99.99.99-master-20190505.1</optimizationwindows_ntx64IBCCoreFxPackageVersion>
+    <optimizationwindows_ntx64IBCCoreFxPackageVersion>99.99.99-master-20190506.1</optimizationwindows_ntx64IBCCoreFxPackageVersion>
   </PropertyGroup>
 </Project>