make restore tokens shown in hex.

Since they are android ids, it is much easier to use them as hex, since we can just copy then into android inspector and learn more about the restore set.

cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java

@@ -268,7 +268,7 @@ public final class Bmgr {
 
     private void printRestoreSets(RestoreSet[] sets) {
         for (RestoreSet s : sets) {
-            System.out.println("  " + s.token + " : " + s.name);
+            System.out.println("  " + Long.toHexString(s.token) + " : " + s.name);
         }
     }
 
@@ -294,7 +294,7 @@ public final class Bmgr {
     private void doRestore() {
         long token;
         try {
-            token = Long.parseLong(nextArg());
+            token = Long.parseLong(nextArg(), 16);
         } catch (NumberFormatException e) {
             showUsage();
             return;