hg: amber/amber: renaming tests from XRefTest to XDescTest

[vicente.romero at oracle.com]

Changeset: 0e43f8c317ef
Author:    vromero
Date:      2018-09-05 14:05 -0700
URL:       http://hg.openjdk.java.net/amber/amber/rev/0e43f8c317ef

renaming tests from XRefTest to XDescTest

+ test/jdk/java/lang/constant/ClassDescTest.java
- test/jdk/java/lang/constant/ClassRefTest.java
+ test/jdk/java/lang/constant/CondyDescTest.java
- test/jdk/java/lang/constant/CondyRefTest.java
+ test/jdk/java/lang/constant/IndyDescTest.java
- test/jdk/java/lang/constant/IndyRefTest.java
+ test/jdk/java/lang/constant/MethodHandleDescTest.java
- test/jdk/java/lang/constant/MethodHandleRefTest.java
+ test/jdk/java/lang/constant/MethodTypeDescTest.java
- test/jdk/java/lang/constant/MethodTypeRefTest.java
+ test/jdk/java/lang/constant/SymbolicDescTest.java
- test/jdk/java/lang/constant/SymbolicRefTest.java