Merge from vscode a234f13c45b40a0929777cb440ee011b7549eed2 (#8911)

* Merge from vscode a234f13c45b40a0929777cb440ee011b7549eed2

* update distro

* fix layering

* update distro

* fix tests

build/azure-pipelines/darwin/continuous-build-darwin.yml

@@ -24,20 +24,17 @@ steps:
     yarn electron x64
   displayName: Download Electron
 - script: |
-    yarn gulp hygiene --skip-tslint
+    yarn gulp hygiene
   displayName: Run Hygiene Checks
-- script: |
-    yarn gulp tslint
-  displayName: Run TSLint Checks
 - script: | # {{SQL CARBON EDIT}} add step
     yarn strict-null-check
   displayName: Run Strict Null Check.
-- script: | # {{SQL CARBON EDIT}} add step
-    yarn tslint
-  displayName: Run TSLint (gci)
 # - script: | {{SQL CARBON EDIT}} remove step
 #     yarn monaco-compile-check
 #   displayName: Run Monaco Editor Checks
+- script: |
+    yarn valid-layers-check
+  displayName: Run Valid Layers Checks
 - script: |
     yarn compile
   displayName: Compile Sources