Revert "framework/base: Add EdgeGesture service."

This reverts commit aa5800a3ed3350d95afb9016cbf9700aa8ea6471.

Conflicts:
	core/res/res/values/dimens.xml

	modified:   Android.mk
	deleted:    core/java/android/service/gesture/EdgeGestureManager.java
	deleted:    core/java/android/service/gesture/IEdgeGestureActivationListener.aidl
	deleted:    core/java/android/service/gesture/IEdgeGestureHostCallback.aidl
	deleted:    core/java/android/service/gesture/IEdgeGestureService.aidl
	deleted:    core/java/android/service/gesture/package.html
	deleted:    core/java/com/android/internal/util/gesture/EdgeGesturePosition.java
	deleted:    core/java/com/android/internal/util/gesture/EdgeServiceConstants.java
	modified:   core/res/res/values/config.xml
	modified:   core/res/res/values/symbols.xml
	modified:   services/java/com/android/server/SystemServer.java
	deleted:    services/java/com/android/server/gesture/EdgeGestureInputFilter.java
	deleted:    services/java/com/android/server/gesture/EdgeGestureService.java
	deleted:    services/java/com/android/server/gesture/EdgeGestureTracker.java