JDK 13 RFR of JDK-8218726: Minor Throwable.printStackTrace() typos

[Brian Burkhalter]

Hi Joe,

+1

Brian

> On Feb 27, 2019, at 12:11 PM, Joe Darcy <joe.darcy at oracle.com> wrote:
> 
> Please review the patch below to fix a small typo ("at" -> "as") in text of Throwable introduced with some of the Project Coin changes.