hg: jdk/sandbox: Adding support for modifiers.

[jan.lahoda at oracle.com]

Changeset: c79e191854e4
Author:    jlahoda
Date:      2019-04-02 16:51 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/c79e191854e4

Adding support for modifiers.

! src/jdk.compiler/share/classes/com/sun/source/util/TreeBuilder.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/api/TreeBuilderImpl.java
! test/langtools/tools/javac/api/ast/ASTBuilder.java
! test/langtools/tools/javac/api/ast/CodeBuilder.java