[master] Update dependencies from dotnet/arcade (#7287)

* Update dependencies from https://github.com/dotnet/arcade build 20190727.2

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19377.2

* Update dependencies from https://github.com/dotnet/arcade build 20190728.1

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19378.1

eng/Version.Details.xml

@@ -3,9 +3,9 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19376.18">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19378.1">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>316481e57ee5e6acbbf2401eb6778a1d3d48d25b</Sha>
+      <Sha>a8e982d3bac01d8f4f91a4c57191147570079448</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

global.json

@@ -10,7 +10,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19376.18",
+    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19378.1",
     "Microsoft.DotNet.Helix.Sdk": "2.0.0-beta.19069.2"
   }
 }