git: openjdk/jdk17: 8271350: runtime/Safepoint tests use OutputAnalyzer::shouldMatch instead of shouldContaint

[Igor Ignatyev]

Changeset: f1e15c8c
Author:    Igor Ignatyev <iignatyev at openjdk.org>
Date:      2021-07-27 23:20:19 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/f1e15c8c8f598f3726fd6b3f65fe5ab155a2ee28

8271350: runtime/Safepoint tests use OutputAnalyzer::shouldMatch instead of shouldContaint

Reviewed-by: mseledtsov, dholmes

! test/hotspot/jtreg/runtime/Safepoint/TestAbortOnVMOperationTimeout.java
! test/hotspot/jtreg/runtime/Safepoint/TestAbortVMOnSafepointTimeout.java