move shutdown instrumentation to java-lang-1.8

Author: amarziali

…on/shutdown/ShutdownInstrumentation.java …n/java/lang/ShutdownInstrumentation.javadd-java-agent/instrumentation/shutdown/src/main/java/datadog/trace/instrumentation/shutdown/ShutdownInstrumentation.java renamed to dd-java-agent/instrumentation/java/java-lang/java-lang-1.8/src/main/java/datadog/trace/instrumentation/java/lang/ShutdownInstrumentation.java dd-java-agent/instrumentation/shutdown/src/main/java/datadog/trace/instrumentation/shutdown/ShutdownInstrumentation.java renamed to dd-java-agent/instrumentation/java/java-lang/java-lang-1.8/src/main/java/datadog/trace/instrumentation/java/lang/ShutdownInstrumentation.java

@@ -1,4 +1,4 @@
-package datadog.trace.instrumentation.shutdown;
+package datadog.trace.instrumentation.java.lang;
 
 import static datadog.trace.agent.tooling.bytebuddy.matcher.NameMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.isMethod;

dd-java-agent/instrumentation/shutdown/build.gradle

@@ -546,7 +546,6 @@ include(
   ":dd-java-agent:instrumentation:servlet:javax-servlet:javax-servlet-3.0",
   ":dd-java-agent:instrumentation:servlet:javax-servlet:javax-servlet-common",
   ":dd-java-agent:instrumentation:servlet:javax-servlet:javax-servlet-iast",
-  ":dd-java-agent:instrumentation:shutdown",
   ":dd-java-agent:instrumentation:slick",
   ":dd-java-agent:instrumentation:snakeyaml",
   ":dd-java-agent:instrumentation:span-origin",