aries-common: fix open source charging mode

the old format is very ugly but was functional
now the battery image appears correctly

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I6bd70bbac0d2976f3bd1f0521d7e98c95c4f7cb9
Revert "aries-common: enable FRandom"

This reverts commit 57a56d4c60c600bc524f3844a64dca6755c88a97.

Change-Id: If44f48e801e3d912fb8b8b39da546f01a9306995