set y axis range of rabi oscillation experiment plot to [0, 1]  (#1588)
set y axis range of rabi oscillation experiment plot to [0, 1]  (#1588)

* set y axis range of rabi oscillation experiment plot to [0, 1]

* the order seems to matter

* also updated the limits for RandomizedBenchMarkResult and dencity matrix graphs

* fix type annotation

* fixed the imports

* proper formatting

* use the (-1,1) z-limits as default in the code plotting 3d density matrix

quantumlib/Cirq,balopat/Cirq,quantumlib/Cirq,balopat/Cirq,balopat/Cirq,quantumlib/Cirq,quantumlib/Cirq,quantumlib/Cirq