[clang] [clang][analyzer] Make per-entry-point metric rows uniquely identifiable (PR #161663)

[Arseniy Zaostrovnykh via cfe-commits]

necto wrote:

This is an updated version of the patch by @balazs-benics-sonarsource that we successfully used to do performance evaluation of a few changes downstream.

https://github.com/llvm/llvm-project/pull/161663