Send Media button events as foreground Intent

Send foreground intent for Media Button events to Music Player
so that there is no delay in handling these Intents after the
device is rebooted.

Change-Id: I952a8af93586cb96c0a9f6dc910bfb49287f4b9a
CRs-fixed: 611219
Frameworks: SlimRecents: Make expanded layout pretty

Instead of adding an extra box below the header expand it in the inner layout
so it is visual one card. Looks nicer, conform with google style and saves
a bit space

Change-Id: I6b406c622ac557a1ce6b81bfa86b4c96b492eceb