OmniTorch: new launcher icons

Credits to Adriano Loiacono
https://plus.google.com/u/0/+AdrianoLoiacono/posts/CtMKksg7hGB

Change-Id: Id62cdbca9e7d800ee95fffaea67cb2e188dd79f4
Merge "OmniTorch: new launcher icons" into android-4.4