hg: jdk/sandbox: 8220684: Process.waitFor(long, TimeUnit) can return false for a process that exited within the timeout

[chris.hegarty at oracle.com]

Changeset: 1a18b8d56d73
Author:    igerasim
Date:      2019-03-16 15:05 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/1a18b8d56d73

8220684: Process.waitFor(long, TimeUnit) can return false for a process that exited within the timeout
Reviewed-by: prappo, dholmes, rriggs

! src/java.base/share/classes/java/lang/Process.java
+ test/jdk/java/lang/Process/WaitFor.java