hg: amber/amber: Rename @TrackableConstant to @Foldable; add Constable support to many classes; more tests and bugfixes; more docs

[brian.goetz at oracle.com]

Changeset: 25adfa59cdfa
Author:    briangoetz
Date:      2018-01-04 16:03 -0500
URL:       http://hg.openjdk.java.net/amber/amber/rev/25adfa59cdfa

Rename @TrackableConstant to @Foldable; add Constable support to many classes; more tests and bugfixes; more docs

+ src/java.base/share/classes/java/lang/annotation/Foldable.java
- src/java.base/share/classes/java/lang/annotation/TrackableConstant.java
! src/java.base/share/classes/java/lang/invoke/ConstantBootstraps.java
! src/java.base/share/classes/java/lang/invoke/MethodHandle.java
! src/java.base/share/classes/java/lang/sym/BootstrapSpecifier.java
! src/java.base/share/classes/java/lang/sym/ClassRef.java
! src/java.base/share/classes/java/lang/sym/Constable.java
! src/java.base/share/classes/java/lang/sym/DynamicConstantRef.java
! src/java.base/share/classes/java/lang/sym/EnumRef.java
! src/java.base/share/classes/java/lang/sym/MethodHandleRef.java
! src/java.base/share/classes/java/lang/sym/MethodTypeRef.java
! src/java.base/share/classes/java/lang/sym/NamedClassRef.java
! src/java.base/share/classes/java/lang/sym/PrimitiveClassRef.java
! src/java.base/share/classes/java/lang/sym/SymbolicRef.java
! src/java.base/share/classes/java/lang/sym/SymbolicRefs.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
! test/jdk/java/lang/invoke/ConstablesTest.java
+ test/jdk/java/lang/sym/ClassRefTest.java
+ test/jdk/java/lang/sym/DynamicConstantRefTest.java
+ test/jdk/java/lang/sym/MethodHandleRefTest.java
+ test/jdk/java/lang/sym/MethodTypeRefTest.java
+ test/jdk/java/lang/sym/SymbolicRefTest.java