yuga: centralize safe firmware

Change-Id: Ib9ab89d81608d79b98556af7bef237f49bd2155c
yuga: update signature

Change-Id: Id3c082c5a77163837d7e03e2c19f6947e6779994
yuga: remove unused blob

Change-Id: I432b50720bbcc36c1f8a9f7bb3b9f011a62fab68
yuga: Use new heap configuration for 1080p phones.

Change-Id: I248deee19ac8eec357cde6c1eb2d492804547a59
yuga: Fix audio in Hangouts

* Add higher sample rates and stereo input device

Change-Id: I656fea8762486ac1305bb6b41b90194d69c3ac15