Floating Window: Welcome back

* Port squashed jellybean floating window to kitkat.

Floating window contributors:
@drcmda
@beerbong
@D4rKn3sSyS

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Merge notification manager service changes.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: If3d6338f657915754bd6cb9cb987df62c17aa6d0

Conflicts:
	services/java/com/android/server/am/ActivityStack.java
Launch Floating window from SlimRecents
authored by : lion0738
Launch floating notifications from notification panel @Anu6is (long click) && MakeFloating Window Slim
Recents<@lion0738

* Status bar - long click on notification select 'floating mode' option

Change-Id: Icf2915cf71f07d19cf8179ee5e561891b0a78e77
Signed-off-by: anerikg <anerikgames@gmail.com>

Conflicts:
	packages/SystemUI/res/values/cr_strings.xml

Conflicts:
	packages/SystemUI/res/menu/notification_popup_menu.xml
	packages/SystemUI/res/values-es/slim_strings.xml
	packages/SystemUI/res/values/slim_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
Kill floating activities running in the same thread when tapping outside

This change makes all activities from the same app to be finished when we tap outside the halo window. Other apps running in different threads
(floating or not) won't be finished.

Port from here: https://github.com/ParanoidAndroid/android_frameworks_base/commit/f489f45ab2ba5dd4991c241917f7f4b0fd74b884

Change-Id: Ie6d6f46b2e23be60f991520ed480c2866fb2d0e3
Dismiss IME when floating window is dismissed

Previously the IME would be stuck on screen if the
floating window was dismissed while it was showing.

Original id from PA gerrit -> Change-Id: I8ca61b07ed89bae85eabd8db23f87b6f1f0b179f
Signed-off-by: Evan Anderson <evan@thelinuxman.us>

Change-Id: If38e65f61ba309d22306bf4b37c3c55630c006ed
FW: Clean Up