RFR: 8312626: Resolve multiple definition of 'start_timer' when statically linking JDK native libraries with user code

[Jiangli Zhou]

Please review the simple fix that changes start|stop_timer to static.

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Commit messages:
 - Change 'start|stop_timer' to be static.

Changes: https://git.openjdk.org/jdk/pull/15006/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15006&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8312626
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15006.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15006/head:pull/15006

PR: https://git.openjdk.org/jdk/pull/15006