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
diff --git a/fonts/Android.mk b/fonts/Android.mk
new file mode 100644
index 0000000..8191b41
--- /dev/null
+++ b/fonts/Android.mk
@@ -0,0 +1,9 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+LOCAL_PACKAGE_NAME := ExtraFonts
+LOCAL_SDK_VERSION := current
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)