hg: amber/amber: generate the MethodParameters attribute for the canonical constructor

[vicente.romero at oracle.com]

Changeset: 88397728dd30
Author:    vromero
Date:      2019-06-26 15:52 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/88397728dd30

generate the MethodParameters attribute for the canonical constructor

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
! test/langtools/tools/javac/records/mandated_members/canonical_constructor/CanonicalConstructorTest.java
+ test/langtools/tools/javac/records/mandated_members/canonical_constructor/MethodParametersForCanonicalConstructorTest.java