Update Floating Window to patch 30
PS.30 : a little touch :)

Change-Id: Iad00c239de7d66e8bb45205ce626d4f08417b7cd

Conflicts:
	core/java/android/app/Activity.java
	core/java/android/app/IActivityManager.java
	core/java/android/content/Intent.java
	core/java/android/view/IWindowManager.aidl
	core/java/android/view/Window.java
	core/java/com/android/internal/widget/ActionBarView.java
	core/res/res/values/custom_strings.xml
	services/java/com/android/server/am/ActivityRecord.java
	services/java/com/android/server/am/ActivityStack.java
	services/java/com/android/server/wm/WindowManagerService.java