vndk-def: Update NDK libs.

This commit adds libsync.so and libnativewindow.so to SP-NDK and move
libz.so to VNDK-SP (VNDK-Stable).

Bug: 37867089
Test: ./tests/run.py
Change-Id: If2986ed676762c55d89edf118ccc8441d95c1442
Merged-In: I8f2cc1b0e54c9380165014a65f24feaca314e1b9
3 files changed