[clang] [clang][dataflow] Add parameters of other functions to `LambdaCaptured… (PR #170311)

[Yitzhak Mandelbaum via cfe-commits]

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@@ -154,6 +154,14 @@ struct ReferencedDecls {
   /// When analyzing a lambda's call operator, the set of all parameters (from
   /// the surrounding function) that the lambda captures. Captured local
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ymand wrote:

Update the wording here? "that the lambda captures or references in its capture assignments"? (or whatever those are called :)).

https://github.com/llvm/llvm-project/pull/170311