RFR: 8344345: test/hotspot/gtest/x86/x86-asmtest.py has trailing whitespaces [v3]

[Kirill Shirokov]

> This PR addresses the trailing whitespaces for a .py test. 
> 
> They were introduced in commit 916694f2c1e7fc8d6a88e7026bc2d29ba2923849 and not detected by jcheck, since checking *.py for whitespaces is not enabled in .jcheck/conf.
> 
> So, a separate question is: do you think that a pattern for Python files should be added to [checks "whitespace"] section of .jcheck/conf?

Kirill Shirokov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into JDK-8344345-clean-up-trailing-spaces
 - Merge branch 'master' into JDK-8344345-clean-up-trailing-spaces
 - 8344345: File test/hotspot/gtest/x86/x86-asmtest.py has trailing whitespaces

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/27058/files
  - new: https://git.openjdk.org/jdk/pull/27058/files/345b18f0..c1cc10ae

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27058&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27058&range=01-02

  Stats: 81767 lines in 2479 files changed: 51092 ins; 20172 del; 10503 mod
  Patch: https://git.openjdk.org/jdk/pull/27058.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27058/head:pull/27058

PR: https://git.openjdk.org/jdk/pull/27058