[llvm] [memprof] Move getFullSchema and getHotColdSchema outside PortableMemInfoBlock (PR #90103)

[Snehasish Kumar via llvm-commits]

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@@ -44,6 +44,13 @@ enum class Meta : uint64_t {
 
 using MemProfSchema = llvm::SmallVector<Meta, static_cast<int>(Meta::Size)>;
 
+// Returns the full schema currently in use.
+MemProfSchema getFullSchema();
+
+// Returns the schema consisting of the fields currently consumed by the
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snehasish wrote:

Lets make this comment a little more future proof, how about "Returns the schema consisting of the fields used for hot cold memory hinting."

https://github.com/llvm/llvm-project/pull/90103