Add Broadcast data to stored DataCard Intents

Store a boolean extra whether the Intent for action buttons and the card
click should be treated as a Broadcast or an Activity Intent. Added a
wrapper class to represent this data as a field in DataCard.

Change-Id: I56e909f60b9448551f6f99ddaf6cdda610c3f7ff
CmHomeApi : Fix getImages

Change-Id: I4563d2cc1c8a0da21c2e676649cea53916fcc745