Add NDK libsync to linker whitelists

Test: make
Change-Id: Idb9ddfce7032a3faef7213327d3160968d4a80ba
diff --git a/rootdir/etc/public.libraries.android.txt b/rootdir/etc/public.libraries.android.txt
index ec541b9..bcdecf2 100644
--- a/rootdir/etc/public.libraries.android.txt
+++ b/rootdir/etc/public.libraries.android.txt
@@ -18,6 +18,7 @@
 libOpenSLES.so
 libRS.so
 libstdc++.so
+libsync.so
 libvulkan.so
 libwebviewchromium_plat_support.so
 libz.so
diff --git a/rootdir/etc/public.libraries.wear.txt b/rootdir/etc/public.libraries.wear.txt
index d8b5350..f4da09d 100644
--- a/rootdir/etc/public.libraries.wear.txt
+++ b/rootdir/etc/public.libraries.wear.txt
@@ -18,5 +18,6 @@
 libOpenSLES.so
 libRS.so
 libstdc++.so
+libsync.so
 libvulkan.so
 libz.so