RFR: 8289572: InputStream wrapping with BufferedInputStream is redundant in HttpTimestamper

[Jaikiran Pai]

On Fri, 1 Jul 2022 08:06:10 GMT, Сергей Цыпанов <duke at openjdk.org> wrote:

> In case we read all bytes from an `InputStream` we don't need wrapping with `BufferedInputStream` as the bytes are not written into internal buffer. With removal of redundant buffer we save 8 kB of allocated memory.

The tests completed without any related issues.

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PR: https://git.openjdk.org/jdk/pull/9343