libprotobuf-cpp-lite is removed from VNDK.

It is demoted to vendor_available library. Therefore it will be
installed to /vendor/lib[64] instead of /system/lib[64]/vndk.

Bug: 147780271
Test: m
Merged-In: I40a94a3ecf55592b8e2f83f43070fa958c532cef
Change-Id: I40a94a3ecf55592b8e2f83f43070fa958c532cef
(cherry picked from commit 87889b0d)