[master] Update dependencies from dotnet/arcade (#4066)

* Update dependencies from https://github.com/dotnet/arcade build 20190815.27

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19415.27

* Update dependencies from https://github.com/dotnet/arcade build 20190816.16

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19416.16

eng/common/post-build/darc-gather-drop.ps1

@@ -19,7 +19,17 @@ try {
     ExitWithExitCode $exitCode
   }
 
+  # For now, only use a dry run.
+  # Ideally we would change darc to enable a quick request that
+  # would check whether the file exists that you can download it,
+  # and that it won't conflict with other files.
+  # https://github.com/dotnet/arcade/issues/3674
+  # Right now we can't remove continue-on-error because we ocassionally will have
+  # dependencies that have no associated builds (e.g. an old dependency).
+  # We need to add an option to baseline specific dependencies away, or add them manually
+  # to the BAR.
   darc gather-drop --non-shipping `
+    --dry-run `
     --continue-on-error `
     --id $BarBuildId `
     --output-dir $DropLocation `

eng/common/post-build/dotnetsymbol-init.ps1

@@ -1,29 +0,0 @@
-param (
-  $dotnetsymbolVersion = $null
-)
-
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-$verbosity = "minimal"
-
-function Installdotnetsymbol ($dotnetsymbolVersion) {
-  $dotnetsymbolPackageName = "dotnet-symbol"
-
-  $dotnetRoot = InitializeDotNetCli -install:$true
-  $dotnet = "$dotnetRoot\dotnet.exe"
-  $toolList = & "$dotnet" tool list --global
-
-  if (($toolList -like "*$dotnetsymbolPackageName*") -and ($toolList -like "*$dotnetsymbolVersion*")) {
-    Write-Host "dotnet-symbol version $dotnetsymbolVersion is already installed."
-  }
-  else {
-    Write-Host "Installing dotnet-symbol version $dotnetsymbolVersion..."
-    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-    & "$dotnet" tool install $dotnetsymbolPackageName --version $dotnetsymbolVersion --verbosity $verbosity --global
-  }
-}
-
-Installdotnetsymbol $dotnetsymbolVersion

eng/common/post-build/sourcelink-cli-init.ps1

@@ -1,29 +0,0 @@
-param (
-  $sourcelinkCliVersion = $null
-)
-
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-$verbosity = "minimal"
-
-function InstallSourcelinkCli ($sourcelinkCliVersion) {
-  $sourcelinkCliPackageName = "sourcelink"
-
-  $dotnetRoot = InitializeDotNetCli -install:$true
-  $dotnet = "$dotnetRoot\dotnet.exe"
-  $toolList = & "$dotnet" tool list --global
-
-  if (($toolList -like "*$sourcelinkCliPackageName*") -and ($toolList -like "*$sourcelinkCliVersion*")) {
-    Write-Host "SourceLink CLI version $sourcelinkCliVersion is already installed."
-  }
-  else {
-    Write-Host "Installing SourceLink CLI version $sourcelinkCliVersion..."
-    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-    & "$dotnet" tool install $sourcelinkCliPackageName --version $sourcelinkCliVersion --verbosity $verbosity --global 
-  }
-}
-
-InstallSourcelinkCli $sourcelinkCliVersion