tweak jspane width property to ensure bg color for highlighted item is full width

Change-Id: I92e66493229476c29cf71c74091f36063638def4
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index de47705..916b1f8 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -3969,7 +3969,7 @@
 .jspPane {
   position: absolute;
   overflow: hidden;
-  width:auto !important; /* to avoid cut-off api names in reference in horiz scroll */
+  width:100% !important; /* to avoid cut-off api names in reference in horiz scroll */
 }
 
 .jspVerticalBar {