[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: Ic49a42a785b6a03fa7ca53566dd261bdb607f81c