[Ravenwood] Support fonts files and data files

Add support to include font files into ravenwood_libgroup. Also make ravenwood data property to accept paths instead of module name. 

Bug: 292141694
Flag: EXEMPT host side change only
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: Ida5ef0230d2cc59fa1209199168c6c35e4842fbd