Update Android port

* java/org/gnu/emacs/EmacsActivity.java (EmacsActivity):
* java/org/gnu/emacs/EmacsApplication.java (findDumpFile):
* java/org/gnu/emacs/EmacsContextMenu.java (EmacsContextMenu)
(addSubmenu, display):
* java/org/gnu/emacs/EmacsDocumentsProvider.java
(getNotificationUri, queryChildDocuments, deleteDocument):
* java/org/gnu/emacs/EmacsDrawRectangle.java (perform):
* java/org/gnu/emacs/EmacsFillRectangle.java (perform):
* java/org/gnu/emacs/EmacsOpenActivity.java (readEmacsClientLog)
(checkReadableOrCopy):
* java/org/gnu/emacs/EmacsSdk7FontDriver.java
(EmacsSdk7FontDriver):
* java/org/gnu/emacs/EmacsSurfaceView.java (EmacsSurfaceView):
* java/org/gnu/emacs/EmacsView.java (EmacsView):
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow, onKeyUp):
* java/org/gnu/emacs/EmacsWindowAttachmentManager.java
(EmacsWindowAttachmentManager): Remove various unused arguments
and variables, dead stores, and make minor cleanups and
performance improvements.
* src/androidmenu.c (FIND_METHOD_STATIC, android_menu_show):
Adjust accordingly.

java/org/gnu/emacs/EmacsFillRectangle.java

@@ -61,6 +61,7 @@ public final class EmacsFillRectangle
 	/* Drawing with a clip mask involves calculating the
 	   intersection of the clip mask with the dst rect, and
 	   extrapolating the corresponding part of the src rect.  */
+
 	clipBitmap = gc.clip_mask.bitmap;
 	dstRect = new Rect (x, y, x + width, y + height);
 	maskRect = new Rect (gc.clip_x_origin,
@@ -69,7 +70,6 @@ public final class EmacsFillRectangle
 			      + clipBitmap.getWidth ()),
 			     (gc.clip_y_origin
 			      + clipBitmap.getHeight ()));
-	clipBitmap = gc.clip_mask.bitmap;
 
 	if (!maskRect.setIntersect (dstRect, maskRect))
 	  /* There is no intersection between the clip mask and the