hg: jdk/jdk: 8194879: Runtime.Version parses string which does not conform to spec without throwing IAE

[brent.christian at oracle.com]

Changeset: fb978155215d
Author:    bchristi
Date:      2018-01-17 16:15 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/fb978155215d

8194879: Runtime.Version parses string which does not conform to spec without throwing IAE
Reviewed-by: alanb, iris, rriggs

! src/java.base/share/classes/java/lang/Runtime.java
! test/jdk/java/lang/Runtime/Version/Basic.java