Revert "fb: fix possible NPE on power key handling"

This reverts commit 6acbea7a57e5f73577a2dd9a0c54c6563a058c9b.
Revert "Allow applications to override power key"

This reverts commit d14d109a6da9a4bb86f91019b85d0d0a7f8b6a5f.

Conflicts:

	core/res/res/values/strings.xml
Revert "Fix Immersive confirmation in expanded mode."

This reverts commit ac44514f3699d271e6747ca51fa7d329f5e0ea80.
Revert "WindowManagerService: fix application transitions in expanded mode."

This reverts commit 2b617a511932ab4c287ad840300b01b051af37b5.

Conflicts:

	core/java/android/view/WindowManagerPolicy.java
Revert "PhoneWindowManager: fix navbar behavior in expanded mode after 4.4.2 merge."

This reverts commit 0293c767b1ff8b530251eda236dc9b49d514e875.
Revert "Frameworks: expanded desktop"

This reverts commit 9e1f377548ab50fbb1fd1432a5db95d5b277c8f4.

Conflicts:

	core/java/android/provider/Settings.java
	core/java/com/android/internal/util/slim/ButtonsConstants.java
	core/java/com/android/internal/util/slim/PolicyConstants.java
	core/java/com/android/internal/util/slim/PolicyHelper.java
	core/java/com/android/internal/util/slim/SlimActions.java
	core/res/res/values/strings.xml
	core/res/res/values/symbols.xml
	packages/SystemUI/src/com/android/systemui/SearchPanelView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	policy/src/com/android/internal/policy/impl/GlobalActions.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java