Revert "SystemUI: use corrected 6bar icons"

This reverts commit 548d4859d2018b098b5537805fa44bd95aee790e.
Revert "SystemUI: fixup 6 Bar signal icons"

This reverts commit bfb81af30647faa07b12e3693151969826db8293.
Revert "SystemUi: update 6bar drawables"

This reverts commit 5e58995de7386a0311e11d117711881febce292a.
Revert "frameworks/base: update 6bar drawables"

This reverts commit 862ae426846f8f9d3367d7b08d86995d656826e9.
Revert "SystemUI: 6-bar signal icon sytle option"

This reverts commit 5452ba224501efaa9409831c9f4330048a87b46d.

Change-Id: I22a5812e4fb7b2c18b45df50b100dc210a2c3992
SystemUI: 6-bar signal icon sytle option

 * updated drawables for kitkat

Change-Id: I13f53c9500b44286c1cb93fd27ad1275b1d29484