hg: jmc/jmc: JMC-4466: Fix the hide thread functionality in Windows and JfrThreadsPageTest uitest failures

[almacdon at redhat.com]

Changeset: ca6ac83aa5b9
Author:    aptmac <almacdon at redhat.com>
Date:      2019-06-07 11:07 -0400
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/ca6ac83aa5b9

JMC-4466: Fix the hide thread functionality in Windows and JfrThreadsPageTest uitest failures
Summary: The hide thread functionality on the JFR Threads page was not working as intended in Windows. Additionally, the uitests would sometimes not focus the table when trying to make a selection, causing the tests to fail.
Reviewed-by: hirt

! application/org.openjdk.jmc.ui/src/main/java/org/openjdk/jmc/ui/misc/ChartCanvas.java
! application/uitests/org.openjdk.jmc.test.jemmy/src/test/java/org/openjdk/jmc/test/jemmy/misc/wrappers/MCChartCanvas.java
! application/uitests/org.openjdk.jmc.test.jemmy/src/test/java/org/openjdk/jmc/test/jemmy/misc/wrappers/MCTable.java