[p2c2][operators] Self binning histogram op error msg
Summary: Change error msg to include the min max values when failing.
Test Plan:
Existing unit tests:
```
buck test //caffe2/caffe2/python/operator_test:self_binning_histogram_test
```
Failing wf with error msg:
f264505545
Reviewed By: TailofJune
Differential Revision: D27630820
fbshipit-source-id: c490ce8c8c40414403634979c9beaf9c08569a96
