Pre-suppress errors for improved typing of Array.{includes,indexOf,lastIndexOf} in xplat

Summary:
In Flow 0.284, we will have a stricter version of `Array<T>.includes`. Instead of accepting `mixed`, we will only accept `T` to help catch logical errors. We did the same for `Array.indexOf` and `Array.lastIndexOf` as well.

This diff pre-suppresses newly discovered errors in part of the codebase.

Changelog: [Internal]

Reviewed By: marcoww6

Differential Revision: D82784398

fbshipit-source-id: 6cb11809844f964e0604d33b9f7a3989074cd1cc

scripts/js-api/build-types/transforms/typescript/simplifyTypes/resolveBuiltinType.js

@@ -147,6 +147,8 @@ const builtinTypeResolvers: {
           const propName =
             propNode.type === 'Identifier' ? propNode.name : propNode.value;
 
+          /* $FlowFixMe[incompatible-type] Error exposed after improved typing
+           * of Array.{includes,indexOf,lastIndexOf} */
           return !stringLiteralElements.includes(propName);
         }),
       ),