hg: amber/amber: manual merge with jep-334

[vicente.romero at oracle.com]

Changeset: 952990c8f3c2
Author:    vromero
Date:      2018-06-27 12:59 -0700
URL:       http://hg.openjdk.java.net/amber/amber/rev/952990c8f3c2

manual merge with jep-334

! src/java.base/share/classes/java/lang/Class.java
! src/java.base/share/classes/java/lang/constant/ClassDesc.java
! src/java.base/share/classes/java/lang/constant/MethodTypeDesc.java
- src/java.base/share/classes/java/lang/invoke/FieldTypeDescriptor.java
! src/java.base/share/classes/java/lang/invoke/MethodType.java
- src/java.base/share/classes/java/lang/invoke/MethodTypeDescriptor.java
! src/java.base/share/classes/java/lang/invoke/TypeDescriptor.java