[COOK-1040] - actually run apt-get update w/ not_if
[COOK-1040] - actually run apt-get update w/ not_if

The update-notifier-common package may have a newer version available
than what is in the current APT cache. Make sure that the apt-get
update command executes beforehand to ensure that the cache is
updated.

Altiscale/apt,VertiPub/apt,PolicyStat/apt,portertech/apt,patcon/apt,Alukardd/cookbook-apt,ikkyotech/OpsworksNodeAddons,Banno/apt,MarkRoddy/apt,andrewgross/apt,gswallow/apt,MattMencel/apt,Youscribe/apt,Alukardd/cookbook-apt,protec-cookbooks/apt,mattray/apt,edmunds-chef/apt,eteeselink/apt,Shopify/chef-apt,CodePen/apt,cookbooks/nd-chef-opscode-apt,protec-cookbooks/apt,chef-cookbooks/apt,aerickson/apt,ortoo/apt,mrdavidlaing/apt,gravitystorm/apt,tomgl/apt,h4ck3rm1k3/apt,hw-cookbooks/apt,knuckolls/apt,Tealium/apt,daptiv/apt,tmatilai/chef-apt,cookbooks/hw-apt,Altiscale/apt,brocksamson/apt,chrisroberts/apt,balmbees/apt,josephholsten/opscode-cookbooks-apt,NREL-cookbooks/apt,trinitronx/apt,wrbooth/apt,nilsga/apt,paulschwarz/apt,Rockstar04/apt,Agiley/apt,jtimberman/apt,otype/chef,BarthV/apt,ouranos/apt,opscode-cookbooks/apt,rockaboxmedia/apt,adambrett-forks/chef-apt,scalarae/apt,chef-cookbooks/apt,BarthV/apt,mchesnut/apt,h4ck3rm1k3/apt,democracyworks/apt,sabcio/apt,balmbees/apt,patcon/apt,samstokes/apt,yola/apt-cookbook,rackspace-cookbooks/rackspace_apt,Rockstar04/apt,fooforge/apt,pwnieexpress/apt,opscode-cookbooks/apt,swistaczek/apt,scalarae/apt,cookbooks/oc-apt,ikkyotech/OpsworksNodeAddons,edmunds-chef/apt,pwnieexpress/apt,Tealium/apt,VertiPub/apt,puckel/apt,brumschlag/apt,PolicyStat/apt,llaurent/opscode-cookbooks-apt,lewg/chef-apt,whiteley/apt,brumschlag/apt,puckel/apt