[Analyzer] Iterator Modeling - Model `std::advance()`, `std::prev()` and `std::next()`

Whenever the analyzer budget runs out just at the point where
`std::advance()`, `std::prev()` or `std::next()` is invoked the function
are not inlined. This results in strange behavior such as
`std::prev(v.end())` equals `v.end()`. To prevent this model these
functions if they were not inlined. It may also happend that although
`std::advance()` is inlined but a function it calls inside (e.g.
`__advance()` in some implementations) is not. This case is also handled
in this patch.

Differential Revision: https://reviews.llvm.org/D76361

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