8273754: Re-introduce Automatic-Module-Name in empty jars

Reviewed-by: kcr, jvos

Author: abhinayagarwal

build.gradle

@@ -4790,6 +4790,11 @@ compileTargets { t ->
         def modularEmptyPublicationJarTask = project.task("moduleEmptyPublicationJar${t.capital}", type: Jar) {
             destinationDirectory = file("${dstModularJarDir}")
             archiveFileName = modularEmptyPublicationJarName
+            manifest {
+                attributes(
+                        'Automatic-Module-Name':"${moduleName}Empty"
+                )
+            }
         }
 
         def modularPublicationJarName = "${moduleName}-${t.name}.jar"