Increase timeout for build as well as other paths.

Change-Id: I2de284d7f042b90edd90c1ddc31aba9ae27b144b

TBR=Increase timeouts for devserver/build url.
diff --git a/devserver.py b/devserver.py
index 9ab4490..d1ea181 100755
--- a/devserver.py
+++ b/devserver.py
@@ -28,6 +28,10 @@
                     'response.timeout': 6000,
                     'tools.staticdir.root': os.getcwd(),
                   },
+                  '/build':
+                  {
+                    'response.timeout': 100000,
+                  },
                   '/update':
                   {
                     # Gets rid of cherrypy parsing post file for args.