vndk-def: Add libandroid_net to LL-NDK

Test: ./tests/test_ndk_libs.py
Test: libandroid_net.so is tagged as LL-NDK.
Merged-In: Iefacd4464e7d94577119532c11435e70404ea026
(cherry picked from commit 16538ed728db69509c457adb0b25703c65f9ca86)

Change-Id: I91c318f1ab1b782f6bc2786cbc9d18276416def6
2 files changed