Revert "Preload zone rules in zygote hook"

This reverts commit 4e32f4dfa53fca9ce4a1b4a6085ea74ce5175d01.

Reason for revert: Probably need android.icu.util.TimeZone.getDefault(), rather than java.util.TimeZone.getDefault(). 

Change-Id: Ie2433be166e18575401b56de7cf71731b3050ba1
1 file changed