RFR: 8288912: vmTestbase/nsk/stress/strace/strace002.java fails with Unexpected method name: currentCarrierThread [v4]

[Leonid Mesnik]

> The fix simplifies stack verification. It doesn't check the method name for system classes.
> The StraceBase is used as a base class, not a utility class, to simplify future refactoring.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  stack matching updated.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/12638/files
  - new: https://git.openjdk.org/jdk/pull/12638/files/d9c680e7..95656dd4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12638&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12638&range=02-03

  Stats: 18 lines in 1 file changed: 1 ins; 14 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/12638.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12638/head:pull/12638

PR: https://git.openjdk.org/jdk/pull/12638