Add dependencies on java resources when packaging APK without classes

When an APK is packaged without any classes.dex files the resources
are packaged directly, and so the packaging rule must depend on the
resources.

Fixes: 177295654
Test: prebuilts/build-tools/linux-x86/bin/ninja -f out/combined-aosp_cf_x86_64_phone.ninja -t query out/target/product/vsoc_x86_64/obj/APPS/CtsSplitApp_x86_64_intermediates/package.apk
Change-Id: I786e71439f11e7bd5e20e010b66fbf529eb57a5a