Use correct name for memcache.  I forgot to add the name of the default builder list to the memcache name.  This bug does not actually cause any major problem since the update method sets the correct memcache.
Use correct name for memcache.  I forgot to add the name of the default builder
list to the memcache name.  This bug does not actually cause any major problem
since the update method sets the correct memcache.

Review: https://codereview.appspot.com/6475066/

arg0/rietveld,xtypebee/rietveld,gavioto/rietveld,robfig/rietveld,berkus/rietveld,rietveld-codereview/rietveld,gco/rietveld,foolonhill/rietveld,rietveld-codereview/rietveld,fuzan/rietveld,Koulio/rietveld,aungzanbaw/rietveld,salomon1184/rietveld,DeanHere/rietveld,Koulio/rietveld,v3ss0n/rietveld,salomon1184/rietveld,aungzanbaw/rietveld,andyzsf/rietveld,sajingeo/rietveld,google-code-export/rietveld,berkus/rietveld,fuzan/rietveld,draem0507/rietveld,foolonhill/rietveld,openlabs/cr.openlabs.co.in,arg0/rietveld,draem0507/rietveld,robfig/rietveld,ericmckean/rietveld,gco/rietveld,andyzsf/rietveld,DeanHere/rietveld,xtypebee/rietveld,openlabs/cr.openlabs.co.in,supriyantomaftuh/rietveld,dushmis/rietveld,berkus/rietveld,andyzsf/rietveld,Koulio/rietveld,supriyantomaftuh/rietveld,aungzanbaw/rietveld,DeanHere/rietveld,rietveld-codereview/rietveld,rietveld-codereview/rietveld,salomon1184/rietveld,xtypebee/rietveld,ericmckean/rietveld,google-code-export/rietveld,sajingeo/rietveld,dushmis/rietveld,v3ss0n/rietveld,google-code-export/rietveld,robfig/rietveld,v3ss0n/rietveld,sajingeo/rietveld,draem0507/rietveld,foolonhill/rietveld,ericmckean/rietveld,gavioto/rietveld,gco/rietveld,supriyantomaftuh/rietveld,openlabs/cr.openlabs.co.in,dushmis/rietveld,arg0/rietveld,gavioto/rietveld,fuzan/rietveld