add analytics event tracking for SDK tools download

Change-Id: I6ad2d540a3d496a8f563c22a0778c0f4bbd67f6c
diff --git a/tools/droiddoc/templates-sdk/sdkpage.cs b/tools/droiddoc/templates-sdk/sdkpage.cs
index ecc26f5..38af569 100644
--- a/tools/droiddoc/templates-sdk/sdkpage.cs
+++ b/tools/droiddoc/templates-sdk/sdkpage.cs
@@ -491,6 +491,7 @@
       $("#sdk-terms-form,.sdk-terms-intro").fadeOut('slow');
       $("#next-steps").fadeIn('slow');
       $("h1#tos-header").text('Get Ready to Code!');
+      _gaq.push(['_trackEvent', 'SDK', 'ADT and Tools', $("#downloadForRealz").html()]);
       return true;
     } else {
       $("label#agreeLabel,#bitpicker input").parent().stop().animate({color: "#258AAF"}, 200,