Fix ?dbg=1 loading with xsiframe linker

The xsiframe bootstrap uses str.indexOf("gerrit_ui.nocache.js") on
script tags to find the URL of the module. Add a prefix to the
debug module to ensure the indexOf still finds the debug code.

Change-Id: I77aa0cd3415f1e2d94cbf058ce5007e1dd475e34

gerrit-gwtui/BUCK

diff --git a/gerrit-gwtui/BUCK b/gerrit-gwtui/BUCK
index e978323..56c52bf 100644
--- a/gerrit-gwtui/BUCK
+++ b/gerrit-gwtui/BUCK
@@ -7,7 +7,7 @@
     'unzip -q $SRCDIR/ui_dbg.zip;' +
     'mv' +
     ' gerrit_ui/gerrit_ui.nocache.js' +
-    ' gerrit_ui/gerrit_dbg.nocache.js;' +
+    ' gerrit_ui/dbg_gerrit_ui.nocache.js;' +
     'unzip -qo $SRCDIR/ui_opt.zip;' +
     'mkdir -p $(dirname $OUT);' +
     'zip -qr $OUT .',

gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/HostPageServlet.java

diff --git a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/HostPageServlet.java b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/HostPageServlet.java
index fda2c0d..608aad6 100644
--- a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/HostPageServlet.java
+++ b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/HostPageServlet.java
@@ -330,7 +330,7 @@
       nocache.setAttribute("src", noCacheName);
       opt = new Content(hostDoc);
 
-      nocache.setAttribute("src", "gerrit_ui/gerrit_dbg.nocache.js");
+      nocache.setAttribute("src", "gerrit_ui/dbg_gerrit_ui.nocache.js");
       debug = new Content(hostDoc);
     }