Update dependencies from https://github.com/dotnet/core-setup build 20190819.06 (#26276)

- Microsoft.NETCore.App - 3.0.0-preview9-19419-06

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -26,9 +26,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>b3a4cdd6cd9b000ab05e585236455f1482a0bbf9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview9-19416-02">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview9-19419-06">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>66a9d076b6ce2cb1dc079e5cd351439c58278daf</Sha>
+      <Sha>5b508e86c9ce66af8b41bbc1f3b756e7724bcaa0</Sha>
     </Dependency>
     <Dependency Name="optimization.IBC.CoreCLR" Version="99.99.99-master-20190807.1">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>

eng/Versions.props

@@ -25,7 +25,7 @@
     <MicrosoftNETCorePlatformsVersion>3.0.0-preview9.19416.11</MicrosoftNETCorePlatformsVersion>
     <MicrosoftBclAsyncInterfacesVersion>1.0.0-preview7.19326.2</MicrosoftBclAsyncInterfacesVersion>
     <!-- core-setup -->
-    <MicrosoftNETCoreAppVersion>3.0.0-preview9-19416-02</MicrosoftNETCoreAppVersion>
+    <MicrosoftNETCoreAppVersion>3.0.0-preview9-19419-06</MicrosoftNETCoreAppVersion>
     <!-- dotnet-core-internal-tooling -->
     <IbcMergePackageVersion>5.0.6-beta.19203.1</IbcMergePackageVersion>
     <!-- dotnet-optimization -->