[llvm] [memprof] Update YAML traits for writer purposes (PR #118720)

[Snehasish Kumar via llvm-commits]

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@@ -1177,6 +1177,11 @@ template <> struct MappingTraits<memprof::Frame> {
     (void)Column;
     (void)IsInlineFrame;
   }
+
+  // Request the inline notation for brevity:
+  //
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snehasish wrote:

Unnecessary empty line?

https://github.com/llvm/llvm-project/pull/118720