Commits on Nov 20, 2019

1. Cherry-pick PR microsoft#35058 into release-3.7 …

   Component commits:
   8ae5a8c useDefineForClassFields skips emit of ambient properties
   Previously:
   
   ```ts
   class C {
     declare p
   }
   ```
   
   would incorrectly emit
   
   ```js
   class C {
       constructor() {
           Object.defineProperty(this, "p", {
               enumerable: true,
               configurable: true,
               writable: true,
               value: void 0
           });
       }
   }
   ```
   
   when useDefineForClassFields was turned on (for targets <ESNext).
   
   0ec9c04 Fix bug for ESNext as well
   This moves the check earlier in the pipeline.
   
   e1aa034 update baselines

   

   sandersn authored and typescript-bot committed Nov 20, 2019
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   0f48bec View commit details

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