[bench] add streams findbyte
Summary:
This is a partial backport of core#19690
https://github.com/bitcoin/bitcoin/pull/19690/commits/604df63f6c70b9692b067777ddb38d946ac0b2fc
Test Plan:
ninja bench-bitcoin
| ns/op | op/s | err% | total | benchmark |--------------------:|--------------------:|--------:|----------:|:---------- | 306.76 | 3,259,865.52 | 0.5% | 0.01 | `FindByte`
Reviewers: #bitcoin_abc, Fabien
Reviewed By: #bitcoin_abc, Fabien
Differential Revision: https://reviews.bitcoinabc.org/D16179