RFR: 8370775: ModulePatcher$JarResourceFinder.getByteBuffer() does not close the InputStream after reading the bytes

[Jaikiran Pai]

Can I please get a review of this code which closes the `InputStream` upon usage in `ModulePatcher$JarResourceFinder.getByteBuffer()`?

As noted in https://bugs.openjdk.org/browse/JDK-8370775, this is a minor clean up to this part of the code.

tier testing is currently in progress with this change.

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Commit messages:
 - 8370775: ModulePatcher.getByteBuffer() does not close the InputStream after reading the bytes

Changes: https://git.openjdk.org/jdk/pull/28014/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28014&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370775
  Stats: 5 lines in 1 file changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/28014.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28014/head:pull/28014

PR: https://git.openjdk.org/jdk/pull/28014