Keep PhoneStatusBar default constructor around.

By keeping the entire class safe.

Cherry picked because the device will otherwise be unusable
if compiled with proguard 4.10.

(cherry picked from commit af568530203dc2ee59f5fda4895d28b29dd92226)

Change-Id: I0b880f382101f737511bc6db96c604f43ed8d266
1 file changed