hg: panama/dev: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: 21f2bda8f11f
Author:    mcimadamore
Date:      2019-01-09 22:09 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/21f2bda8f11f

Automatic merge with default

! make/autoconf/spec.gmk.in
! src/java.base/share/classes/java/lang/System.java
- src/java.desktop/share/classes/sun/awt/Graphics2Delegate.java
- src/java.desktop/share/classes/sun/awt/TracedEventQueue.java
- src/java.desktop/share/classes/sun/awt/image/BadDepthException.java
- src/utils/LogCompilation/src/test/resources/hotspot_pid23756.log
- src/utils/LogCompilation/src/test/resources/hotspot_pid25109.log
- src/utils/LogCompilation/src/test/resources/no_tiered_short.log
- src/utils/LogCompilation/src/test/resources/tiered_short.log