RFR+RFA [11u] (XS) 8219251: Langtools tests default memory size needs to be 768m

[Aleksey Shipilev]

On 2/19/19 1:54 PM, Langer, Christoph wrote:
> Hey Aleksey, looks good. +1

Thanks. Pushed! This should make tier1 pass cleanly.

-Aleksey

P.S. If you are running tests on large machines, you might need to have lower TEST_JOBS, until this
is fixed: https://mail.openjdk.java.net/pipermail/jdk-updates-dev/2019-February/000471.html