LED: fix exception when choosing app

If you don't select an application in the picker then RC will
force close.

Change-Id: Iac8bc79afea6a02827988f508ba87caf9847d149
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Merge remote-tracking branch 'upstream/jb-mr1' into jb-mr1