Use basic editor for sharpen filter.

Currently gallery's sharpen filter is relate to the editor id =
R.id.imageShow, which is not point to any valid editor.
As a result native gallery sharpen function will cause exception and fail.
Change to use basic editor.

Change-Id: I2a04ab81c395e12004cd6fe4635932a19c1c39be
Merge "Use basic editor for sharpen filter."
auto-merger: merge in from aosp/master

Conflicts:
	src/com/android/gallery3d/filtershow/filters/ImageFilterSharpen.java