Revert: Reimplement PowerSaverManager !

thanks for martincz and credit for mokee

really it big wip feature and it hard to make it works fully

Change-Id: I23304c6708de012101fb55aad24793112c981e30
Signed-off-by: hany <hany.alsamman@gmail.com> (reverted from commit a9d8c43b1e4b9d17f1dd17efe1b953c62a6fbec6)