Update new CF module naming and build to Java 11

Author: nr-kateanderson

instrumentation/java.completable-future-jdk9/README.md renamed to instrumentation/java.completable-future-jdk11/README.md

@@ -1,11 +1,13 @@
-# java.completable-future-jdk9
+# java.completable-future-jdk11
 
 This instrumentation weaves `java.util.concurrent.CompletableFuture` to trace code execution across asynchronous boundaries.
 
-## JDK9 Updates
+## JDK11 Updates
 
-This instrumentation applies to JDK9 and higher. This was necessary in order to add support for the method
-`completeAsync`, which was introduced with Java 9. 
+This instrumentation applies to JRE 11 and higher. This was necessary in order to add support for the method
+`completeAsync` (introduced with Java 9).
+
+JREs 8, 9 and 10 use the previous version of this module, `java.completable-future-jdk8u40`.
 
 The instrumentation is otherwise the same as the `java.completable-future-jdk8u40`, and
 works as described below. 

instrumentation/java.completable-future-jdk9/build.gradle renamed to instrumentation/java.completable-future-jdk11/build.gradle

@@ -6,7 +6,7 @@ dependencies {
 
 
 jar {
-    manifest { attributes 'Implementation-Title': 'com.newrelic.instrumentation.java.completable-future-jdk9' }
+    manifest { attributes 'Implementation-Title': 'com.newrelic.instrumentation.java.completable-future-jdk11' }
 }
 
 verifyInstrumentation {
@@ -15,7 +15,7 @@ verifyInstrumentation {
 
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(9))
+        languageVersion.set(JavaLanguageVersion.of(11))
     }
 }
 

instrumentation/java.completable-future-jdk9/src/main/java/nr/java/util/concurrent/CompletableFuture_Instrumentation.java renamed to instrumentation/java.completable-future-jdk11/src/main/java/nr/java/util/concurrent/CompletableFuture_Instrumentation.java

@@ -150,7 +150,7 @@ include 'instrumentation:hystrix-1.4'
 include 'instrumentation:jakarta.xml'
 include 'instrumentation:java.completable-future-jdk8'
 include 'instrumentation:java.completable-future-jdk8u40'
-include 'instrumentation:java.completable-future-jdk9'
+include 'instrumentation:java.completable-future-jdk11'
 include 'instrumentation:java.logging-jdk8'
 include 'instrumentation:java.process'
 include 'instrumentation:java-io'