Don't show [!] battery at boot.

Defense in depth:
 1. If there's a sticky battery broadcast waiting around for
    us, apply its information immediately.
 2. If for some reason there is no battery information,
    just don't draw anything.

Bug: 11208146
Change-Id: I43e4b55a90a4ca619816ad0315e329f88b529581
1 file changed