RFR: 8294519: (fs) java/nio/file/Files/CopyProcFile.java fails intermittenly due to unstable /proc/cpuinfo output [v2]

[Brian Burkhalter]

> 1. Change source from `/proc/cpuinfo` to `/proc/version`.
> 2. Do not swallow errors in `@BeforeTest` config action.
> 3. Remove test from problem list.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8294519: Add some braces for better readability

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/10479/files
  - new: https://git.openjdk.org/jdk/pull/10479/files/c80329e6..680ad7de

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10479&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10479&range=00-01

  Stats: 6 lines in 1 file changed: 3 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/10479.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10479/head:pull/10479

PR: https://git.openjdk.org/jdk/pull/10479