New "Daydream" ADT template.

This change adds a new Daydream template in the 'other'
category, that creates an example DreamService class. The
template gives the option of generating a Settings Activity,
and options specific to DreamService.

Change-Id: Ic50b175610bf67cb482a48e25fed0455dd7c7901
Signed-off-by: Chris Banes <chrisbanes@google.com>
10 files changed