Revert "FWBase - Adding old-school (JB like) battery percents style due to its better visibility [1/2]"

This reverts commit 13d023f94c83774e255fc4b30ba850364d358625.

Should not have been merged.

Change-Id: I92abcd62c22f24f0f4a85bef81e5cec4cce54e1b
Merge "Revert "FWBase - Adding old-school (JB like) battery percents style due to its better visibility [1/2]"" into kk