RFR: 8356226: JCov Grabber server didn't respond [v2]

[Alexandre Iline]

> Fix is to allow bigger XML files.

Alexandre Iline has updated the pull request incrementally with two additional commits since the last revision:

 - Recover spaces
 - Declare JCOV_VM_OPTS, set the XML options to 0

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Changes:
  - all: https://git.openjdk.org/jdk/pull/25056/files
  - new: https://git.openjdk.org/jdk/pull/25056/files/5b00c28f..7fa3df9b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25056&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25056&range=00-01

  Stats: 14 lines in 1 file changed: 2 ins; 6 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/25056.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25056/head:pull/25056

PR: https://git.openjdk.org/jdk/pull/25056