Lights Out: handle center clock and battery modes

Handle alpha of all battieries the same as stock battery
by adding a common container and setting its alpha.

Handle center clock in the same fashion as clock.

Change-Id: If4e4bc7c2d9eb4f6c773f14f1dd9a15b833e58cd
Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>
Notification long press fix

Change-Id: I0c6e8319119b5951849647638d794790115d198e
Signed-off-by: Dan Trifan <jimsth@gmail.com>
set carrier label to gone instead of invisible

also privatize clock variables

Change-Id: Ie1205802147b451aaff8d4a4def29d5c11aa2347