hg: amber/amber: adding since 12 to API, missing copyright, etc

[vicente.romero at oracle.com]

Changeset: e4624753b153
Author:    vromero
Date:      2018-10-19 13:23 -0400
URL:       http://hg.openjdk.java.net/amber/amber/rev/e4624753b153

adding since 12 to API, missing copyright, etc

! src/java.base/share/classes/java/lang/Enum.java
! src/java.base/share/classes/java/lang/constant/ClassDesc.java
! src/java.base/share/classes/java/lang/constant/Constable.java
! src/java.base/share/classes/java/lang/constant/ConstantDesc.java
! src/java.base/share/classes/java/lang/constant/ConstantDescs.java
! src/java.base/share/classes/java/lang/constant/DirectMethodHandleDesc.java
! src/java.base/share/classes/java/lang/constant/DynamicCallSiteDesc.java
! src/java.base/share/classes/java/lang/constant/DynamicConstantDesc.java
! src/java.base/share/classes/java/lang/constant/MethodHandleDesc.java
! src/java.base/share/classes/java/lang/constant/MethodTypeDesc.java
! src/java.base/share/classes/java/lang/constant/package-info.java
! src/java.base/share/classes/java/lang/invoke/TypeDescriptor.java
! src/java.base/share/classes/java/lang/invoke/VarHandle.java
! src/java.base/share/classes/module-info.java
! test/jdk/java/lang/constant/ClassDescTest.java
! test/jdk/java/lang/constant/CondyDescTest.java
! test/jdk/java/lang/constant/MethodHandleDescTest.java
! test/jdk/java/lang/constant/MethodTypeDescTest.java
! test/jdk/java/lang/constant/SymbolicDescTest.java
! test/jdk/java/lang/constant/TestHelpers.java
! test/jdk/java/lang/constant/TypeDescriptorTest.java