omni: add default extra font package

Based on template from DU
https://github.com/DirtyUnicorns/android_vendor_du/commit/c5b22c8ffecb8497cc096c135a863b4c8324853f

Thanks to them for the launcher icon too

Noto fonts are from google
https://www.google.com/get/noto/

GoogleSans is from Pixel2
SourceSansPro is from Adobe

Change-Id: I1440d6c51ee25c7e465e83b2f4ec5099f03e741d
15 files changed