Allow java.lang.invoke. imports in the DontImportJavaLangRule

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/imports/DontImportJavaLangRule.java

@@ -21,7 +21,7 @@ public class DontImportJavaLangRule extends AbstractJavaRule {
             if (img.startsWith("java.lang.ref") || img.startsWith("java.lang.reflect")
                     || img.startsWith("java.lang.annotation") || img.startsWith("java.lang.instrument")
                     || img.startsWith("java.lang.management") || img.startsWith("java.lang.Thread.")
-                    || img.startsWith("java.lang.ProcessBuilder.")) {
+                    || img.startsWith("java.lang.ProcessBuilder.") || img.startsWith("java.lang.invoke.")) {
                 return data;
             }
             addViolation(data, node);

pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/imports/xml/DontImportJavaLang.xml

@@ -61,6 +61,15 @@ public class Foo {}
         <code><![CDATA[
 import java.lang.ProcessBuilder.Redirect;
 
+public class Foo {}
+        ]]></code>
+    </test-code>
+    <test-code>
+        <description>import java.lang.invoke.MethodHandles: #1031 false DontImportJavaLang</description>
+        <expected-problems>0</expected-problems>
+        <code><![CDATA[
+import java.lang.invoke.MethodHandles;
+
 public class Foo {}
         ]]></code>
     </test-code>