Revert "SystemUI : Port forward statusbar brightness control"

This reverts commit b3816c687ea8c99113314dfa6ba3bdc0c3807817.

REVERT for now

Change-Id: I5453f33dd65340ac47c0e7b14d45a1c20f0f1067
Merge "Revert "SystemUI : Port forward statusbar brightness control"" into lp5.0