git: openjdk/mobile: 8235965: Tests using ThreadLocalHandshakes need to stop using it as it no longer exists

[duke]

Changeset: 9555be71
Author:    David Holmes <dholmes at openjdk.org>
Date:      2019-12-15 21:56:17 +0000
URL:       https://git.openjdk.java.net/mobile/commit/9555be71

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