hikey/hikey960: Add vndk-sp libraries in preparation for treble

Add logic to add vndk-sp libraries in order to
get ready to switch to FULL_TREBLE.

Credit for this patch goes to Vishal Bhoj <vishal.bhoj@linaro.org>
who basically was the original author and magician
who got things working.

I've only refactored and split up his changes to help
with the submissions.

Change-Id: I99a5f75f7589f0fb591a5f8b4c2b982b2dc1e300
Signed-off-by: John Stultz <john.stultz@linaro.org>
2 files changed