fix backup registration url
external bug: 54539

Change-Id: I3d4e957d8b26c7462c7228a4e4755aee88d6895c
diff --git a/docs/html/google/backup/signup.jd b/docs/html/google/backup/signup.jd
index d5c26a1..70f7de2 100644
--- a/docs/html/google/backup/signup.jd
+++ b/docs/html/google/backup/signup.jd
@@ -225,7 +225,7 @@
     } else if ($("input#agree").is(':checked')
         && packagename.length
         && packagename != DEFAULT_TEXT) {
-      window.location = "http://play.google.com/apps/publish/GetBackupApiKey?p=" +
+      window.location = "https://play.google.com/apps/publish/v2/GetBackupApiKey?p=" +
                       encodeURIComponent(packagename);
     } else {
       $("label#agreeLabel,label#pnameLabel").parent().stop().animate({color: "#258AAF"}, 200,