8059038: Create new launcher for SA tools

Summary: Create separate launchers for clhsdb and hsdb since JDK 8 uses separate launchers for SA tools
Reviewed-by: kevinw, andrew

agent/src/share/classes/sun/jvm/hotspot/CLHSDB.java

@@ -113,7 +113,8 @@ public class CLHSDB {
     private String coreFilename;
 
     private void doUsage() {
-        System.out.println("Usage:  java CLHSDB [[pid] | [path-to-java-executable [path-to-corefile]] | help ]");
+        // With JDK-8059038 launchers for this class exist. Print usage for those launchers.
+        System.out.println("Usage:  clhsdb [[pid] | [path-to-java-executable [path-to-corefile]] | help | -help ]");
         System.out.println("           pid:                     attach to the process whose id is 'pid'");
         System.out.println("           path-to-java-executable: Debug a core file produced by this program");
         System.out.println("           path-to-corefile:        Debug this corefile.  The default is 'core'");

agent/src/share/classes/sun/jvm/hotspot/HSDB.java

@@ -82,7 +82,8 @@ public class HSDB implements ObjectHistogramPanel.Listener, SAListener {
   private String coreFilename;
 
   private void doUsage() {
-    System.out.println("Usage:  java HSDB [[pid] | [path-to-java-executable [path-to-corefile]] | help ]");
+    // With JDK-8059038 launchers for this class exist. Print usage for those launchers.
+    System.out.println("Usage:  hsdb [[pid] | [path-to-java-executable [path-to-corefile]] | help | -help ]");
     System.out.println("           pid:                     attach to the process whose id is 'pid'");
     System.out.println("           path-to-java-executable: Debug a core file produced by this program");
     System.out.println("           path-to-corefile:        Debug this corefile.  The default is 'core'");