RFR: 7903594: jcstress: Support -XX:+StressIncrementalInlining

[Aleksey Shipilev]

[JDK-8319879](https://bugs.openjdk.org/browse/JDK-8319879) added another C2 stress option, which we want to use in compiler stress modes.

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

Commit messages:
 - Fix

Changes: https://git.openjdk.org/jcstress/pull/144/files
 Webrev: https://webrevs.openjdk.org/?repo=jcstress&pr=144&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903594
  Stats: 6 lines in 1 file changed: 6 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jcstress/pull/144.diff
  Fetch: git fetch https://git.openjdk.org/jcstress.git pull/144/head:pull/144

PR: https://git.openjdk.org/jcstress/pull/144