bring back the android command line tool page. as per:...

bring back the android command line tool page. as per: https://critique.corp.google.com/#review/122312732 am: 7d1717b0 am: 648b0ee2 am: fb52c63d am: 61832064 am: a96f0787
am: 52df1337

* commit '52df1337':
  bring back the android command line tool page. as per: https://critique.corp.google.com/#review/122312732

Change-Id: I68fd296206545a96404d0c3af5246951076147b1