Add the capability to accept group Paulis that can be measured using same measurement results (quantumlib#7236)

* Modify the pauli string measurement tool to allow a group of paulis been measured using the same measurement results

* Add more tests and fix some code

* Fix format

* Fix type

* Fix lint

* Make changes based on @NoureldinYosri's comments.

* Fix format and coverage. Also optimize group pauli tests to make them finish quicker.

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Co-authored-by: Noureldin <noureldinyosri@google.com>

Author: 2 people