[foreign-memaccess] RFR 8224843: Refine ByteBuffer interop support

[Maurizio Cimadamore]

On 27/05/2019 21:18, Maurizio Cimadamore wrote:
> Actually, we no longer have the constraint. With the new confinement 
> model I've pushed last week (after discussion - see [1]), only scope 
> operation such as fork/allocate/close/merge are confined to the owner 
> strand. 
[1]  - 
https://mail.openjdk.java.net/pipermail/panama-dev/2019-May/005494.html