Update themed icons.

- Ensure underlying icons and overlayed icons match in size, tint and
autoMirrored
- Add a couple missing Settings icons
- Change perm_group_* icons to use colorControlNormal

Fixes: 132997623
Fixes: 131346125
Test: make; change overlays
Change-Id: I65170eb7671c425bd2c39cd2f1341f641fa810e3