Don't preload libneuralnetworks.so

The lib isn't used by most of the apps. Don't waste memory by preloading
it to all apps.

Bug: 142482121
Test: `lsof -p $(pidof zygote64) | grep libneuralnetwork` shows nothing
Change-Id: I4a6e3df838fa3b7a46271e548e9fdc87bea948ae
diff --git a/rootdir/etc/public.libraries.android.txt b/rootdir/etc/public.libraries.android.txt
index 27e855f..405f5a9 100644
--- a/rootdir/etc/public.libraries.android.txt
+++ b/rootdir/etc/public.libraries.android.txt
@@ -17,7 +17,7 @@
 libmediandk.so
 libm.so
 libnativewindow.so
-libneuralnetworks.so
+libneuralnetworks.so nopreload
 libOpenMAXAL.so
 libOpenSLES.so
 libRS.so