Lazily preload secondary zygote resources.

Companion to change Id387b7132d0 in frameworks/base.

Test: manual
Change-Id: I3f50327aafddce8530a990505cd436225c5fe7a7
diff --git a/rootdir/init.zygote64_32.rc b/rootdir/init.zygote64_32.rc
index e918b67..3612ea2 100644
--- a/rootdir/init.zygote64_32.rc
+++ b/rootdir/init.zygote64_32.rc
@@ -12,7 +12,7 @@
     onrestart restart netd
     writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
 
-service zygote_secondary /system/bin/app_process32 -Xzygote /system/bin --zygote --socket-name=zygote_secondary
+service zygote_secondary /system/bin/app_process32 -Xzygote /system/bin --zygote --socket-name=zygote_secondary --enable-lazy-preload
     class main
     priority -20
     user root