RFR: 8290824: Use InputStream.readAllBytes() instead of explicit loops

[Andrey Turbanov]

On Thu, 21 Jul 2022 15:37:40 GMT, Сергей Цыпанов <duke at openjdk.org> wrote:

> We can use `InputStream.readAllBytes()` in `ModuleHashes` and `X509CertPath`.

Ow. I've created similar PR for `X509CertPath` recently #9263

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PR: https://git.openjdk.org/jdk/pull/9596