Update Android port

Update Android port

* java/org/gnu/emacs/EmacsView.java (EmacsView)
(prepareForLayout): New function.  Call this prior to mapping
the view.
(onGlobalLayout): New function.  Register as global layout
listener.
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow)
(notifyContentRectPosition): New function.  Use specified
xPosition and yPosition when reporting the offsets of children
of the root window.
* java/org/gnu/emacs/EmacsWindowAttachmentManager.java
(registerWindow): Specify activity launch bounds if necessary.
* src/androidterm.c (handle_one_android_event): Send
MOVE_FRAME_EVENT where necessary.