Add Roboto fonts

Roboto fonts are now moved to external/roboto-fonts.

Change-Id: I667ad9fadb46662c8b66ae3f6666225a10aaf782
diff --git a/mini_common.mk b/mini_common.mk
index 60b36b4..5b5dfb4 100644
--- a/mini_common.mk
+++ b/mini_common.mk
@@ -79,4 +79,5 @@
 $(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
 $(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
+$(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
 $(call inherit-product-if-exists, frameworks/base/data/sounds/AudioPackage5.mk)