Add libs properties to runtime_resource_overlay.

(This is a cherry-pick change.)

Test: app_test.go
Test: Converted an existing RRO module.
Bug: 148788111
Change-Id: I723c7175760da019d38893e54f236c45f4c973ea
Merged-In: I723c7175760da019d38893e54f236c45f4c973ea