hg: jdk/jdk: 8235965: Tests using ThreadLocalHandshakes need to stop using it as it no longer exists

[david.holmes at oracle.com]

Changeset: 81a62171f681
Author:    dholmes
Date:      2019-12-15 21:56 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/81a62171f681

8235965: Tests using ThreadLocalHandshakes need to stop using it as it no longer exists
Reviewed-by: iignatyev, jiefu

! test/hotspot/jtreg/runtime/NMT/SafepointPollingPages.java
- test/hotspot/jtreg/runtime/handshake/HandshakeWalkStackFallbackTest.java