Active display: Add options for date and am/pm [1/2]

Change-Id: Idc09772829cc6aa9bcfb064459fb3557c7b37f6b
ActiveDisplay: handle NameNotFound inside notification loop, and handle icon resource == 0

ps4: prevent NPE if dismissed called with null mNotification

Change-Id: I880ad698a8c6b203039d09bc95bfbd16ac9f789e
Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>