Add X_VCPKG_ASSET_SOURCES to vcpkg cache configuration (#4824)

* Add X_VCPKG_ASSET_SOURCES to vcpkg cache configuration

* Prefix with quesiton mark

* Remove question mark

* add --debug

* /,?

* x-azurl

* Remove --debug

* Test no binary cache

* Clear

* Ensure ending of X_VCPKG_ASSET_SOURCES

* Include secrets

* Undo some investigation

* + _SECRET

* Revert testing-related changes

.vscode/cspell.json

@@ -47,6 +47,7 @@
     "azsdkengsys",
     "azurecr",
     "azuresdk",
+    "azurl",
     "azuresdkforcpp",
     "centralus",
     "centraluseuap",

eng/pipelines/templates/steps/cmake-build.yml

@@ -21,6 +21,7 @@ steps:
     displayName: cmake generate
     env:
       VCPKG_BINARY_SOURCES: $(VCPKG_BINARY_SOURCES_SECRET)
+      X_VCPKG_ASSET_SOURCES: $(X_VCPKG_ASSET_SOURCES_SECRET)
 
 # Core should build all cmake tagets
   - ${{ if and(eq(parameters.Build, true), eq(parameters.ServiceDirectory, 'core')) }}:

eng/pipelines/templates/steps/vcpkg.yml

@@ -1,6 +1,7 @@
 steps:
   - pwsh: |
       Write-Host "##vso[task.setvariable variable=VCPKG_BINARY_SOURCES_SECRET;issecret=true;]clear;x-azblob,https://cppvcpkgcache.blob.core.windows.net/public-vcpkg-container,,read"
+      Write-Host "##vso[task.setvariable variable=X_VCPKG_ASSET_SOURCES_SECRET;issecret=true;]clear;x-azurl,https://cppvcpkgcache.blob.core.windows.net/public-vcpkg-asset-container,,read"
     displayName: Set Vcpkg Variables
 
   - task: PowerShell@2

eng/scripts/Set-VcpkgWriteModeCache.ps1

@@ -39,3 +39,4 @@ $vcpkgBinarySourceSas = $token.Substring(1)
 
 Write-Host "Setting vcpkg binary cache to read and write"
 Write-Host "##vso[task.setvariable variable=VCPKG_BINARY_SOURCES_SECRET;issecret=true;]clear;x-azblob,https://cppvcpkgcache.blob.core.windows.net/public-vcpkg-container,$vcpkgBinarySourceSas,readwrite"
+Write-Host "##vso[task.setvariable variable=X_VCPKG_ASSET_SOURCES_SECRET;issecret=true;]clear;x-azurl,https://cppvcpkgcache.blob.core.windows.net/public-vcpkg-asset-container/,?$vcpkgBinarySourceSas,readwrite"