[8u] RFA 8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM

[David Buck]

Hi!

Please approve the backport of this change to 8u-dev.

bug report:
https://bugs.openjdk.java.net/browse/JDK-8189170

original JDK changeset:
http://hg.openjdk.java.net/jdk/jdk/rev/9fd89aabb6cd

code review of original change:
http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2017-November/025207.html

8u backport code review thread:
http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2018-January/025981.html

JDK 8 ER approval thread:
http://mail.openjdk.java.net/pipermail/jdk8u-dev/2018-January/007185.html

(See 8u code review request thread for webrev link and comments about 
testing.)

Cheers,
-Buck