hg: jdk/sandbox: 4 new changesets

[shade at redhat.com]

Changeset: 970b0d35221b
Author:    shade
Date:      2020-07-20 11:08 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/970b0d35221b

Merge


Changeset: 16855c08ed01
Author:    shade
Date:      2020-07-20 11:52 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/16855c08ed01

Expand Javadocs for Runtime.*of methods

! src/java.base/share/classes/java/lang/Runtime.java

Changeset: 79ed75b023be
Author:    shade
Date:      2020-07-20 12:55 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/79ed75b023be

Fix and enable RuntimeTests/Ofs/FieldSizeOf.java

! test/jdk/java/lang/RuntimeTests/Ofs/FieldSizeOf.java

Changeset: b69443994909
Author:    shade
Date:      2020-07-20 13:00 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b69443994909

Support static fields in Runtime::field{Offset,Size}Of

! src/java.base/share/classes/java/lang/Runtime.java
! test/jdk/java/lang/RuntimeTests/Ofs/FieldOffsetOf.java
! test/jdk/java/lang/RuntimeTests/Ofs/FieldOffsetOfDisabled.java
! test/jdk/java/lang/RuntimeTests/Ofs/FieldSizeOf.java
! test/jdk/java/lang/RuntimeTests/Ofs/FieldSizeOfDisabled.java