Merge changes I345f9bf5,I20f23f7f,I22720864,Ic43df22a,I3b1a630b, ...

* changes:
  vndk-def: Fix compute_vndk() w/o generic refs
  vndk-def: Add deps-insight
  vndk-def: Add sp-both-vndk-stable
  vndk-def: Compute sp-lib in compute_vndk()
  vndk-def: Code cleanup: Remove duplicated code
  vndk-def: Rename VNDKHeuristics to VNDKResult
  vndk-def: Refactor compute_sp_lib() return value