Android ZRAM Optimization: backported from Linux 3.4 from Samsung JF series

Signed-off-by: Paul Reioux <reioux@gmail.com>
Android ZRAM Optimization: Updated to latest Samsung JF Series Update2 source

Signed-off-by: Paul Reioux <reioux@gmail.com>
dmesg log spam reduction: don't flood the dmesg log

Signed-off-by: Paul Reioux <reioux@gmail.com>