bacon: Use latest Google-approved identifiers for community builds

... but keep the generated ones when rolling new signed builds

Change-Id: Ie96b4fd11c539ad0daf3803842d748a87db76be5
Use standard CM bootanimation for unsigned CM builds

Change-Id: Iceb9518895dc28f3498e57fcf22c3c2961c7d55e
Merge branch 'cm-11.0' into kk_mkt