dotcase: graphics for ringing

Change-Id: Icc1db3473b29583c8e802638ad0cda7201ff23f5
dotcase: update more often (aka waste your battery)

Change-Id: I1efd2c13bf9b129df2031830c48b806acb9a655a
dotcase: more updates for phone ringing

Change-Id: I2905bf4242f2740f10aba3e5402bf47322b166a6