HeadsUp: Fix dismiss on back key press.

Change-Id: Ia213aeba114d153f5561622a2bea884963f3d8a1
frameworks: move safe volume warning above expanded volume panel

Fixes JIRA bug BACON-50

Change-Id: I1bc7c4781aa81cccd42281f70b394b7f7d81d3e5
Signed-off-by: Roman Birg <roman@cyngn.com>
SystemUI: improve one finger notification expansion

Fixes JIRA bug BACON-70.

Sometimes the quick settings ribbon would eat the initial ACTION_DOWN
setting mInitialTouchY in the expand helper, but we are clearly not in a
notification that we can expand here. So only set the initial y point if
we are inside the notification scrollview.

Change-Id: I628553ac15cc6b4ee3c682fe46bd1d96c6bc154d
Signed-off-by: Roman Birg <roman@cyngn.com>
HeadsUp: Correctly add and remove the window

isAttachedToWindow() basically works to determine if the view was attached or not.

But on the boot up process when already addHeadsUpView is called but the system is not
fully up and a recreation happens (eg on TRDS...due that the UIModeManager is doing its work as soon as system is ready)
the view gets attached....but not removed on the recreation due that at this time isAttachedToWindow() will return false even though the
window was added.

To solve simply use a boolean instead of isAttachedToWindow()

Change-Id: Ib576a83cadc581683f2a5b0afc922c53b01888b7
Merge changes Ib576a83c,I628553ac,I1bc7c478,Ia213aeba into kitkat

* changes:
  HeadsUp: Correctly add and remove the window
  SystemUI: improve one finger notification expansion
  frameworks: move safe volume warning above expanded volume panel
  HeadsUp: Fix dismiss on back key press.