git: openjdk/loom: fibers: JVMTI review: restore handshake guarantee in enter_interp_only_mode

[duke]

Changeset: cf82dc73
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2022-04-08 04:48:40 +0000
URL:       https://git.openjdk.java.net/loom/commit/cf82dc739b17c16724c79d2b14103653a2840685

JVMTI review: restore handshake guarantee in enter_interp_only_mode

! src/hotspot/share/prims/jvmtiEventController.cpp