Fix battery icon with percentage showing "!" and percentage only color when under 14%

Change-Id: I559fd4d9fbb7f9599fe1b3cf75602b7ad7e2e301
fb: fix qs battery tile on normal icon due of left over

I forgot to commit a change so on icon and icon percentage there
was still a margin set. Remove the magin to fix it

Change-Id: If8848835d2371b44d3dc414a9f30af03f222a895

Conflicts:
	packages/SystemUI/res/layout/quick_settings_tile_battery.xml
base: layout circle battery percent really in the center

There is no need to use strokeWidth in this layout calculation

Change-Id: I68471c5f63b49e815f305bc3d5bd86b67afeb647