Update Android port

Update Android port

* java/Makefile.in (clean): Fix distclean and bootstrap-clean rules.
* java/debug.sh (jdb_port):
(attach_existing):
(num_pids):
(line): Add new options to upload a gdbserver binary to the device.

* java/org/gnu/emacs/EmacsActivity.java (EmacsActivity): Make
focusedActivities public.
* java/org/gnu/emacs/EmacsContextMenu.java (EmacsContextMenu):
New class.
* java/org/gnu/emacs/EmacsDrawRectangle.java (perform): Fix
bounds computation.
* java/org/gnu/emacs/EmacsGC.java (markDirty): Set stroke width
explicitly.
* java/org/gnu/emacs/EmacsService.java (EmacsService)
(getLocationOnScreen, nameKeysym): New functions.
* java/org/gnu/emacs/EmacsView.java (EmacsView): Disable focus
highlight.
(onCreateContextMenu, popupMenu, cancelPopupMenu): New
functions.
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow): Implement a
kind of ``override redirect'' window for tooltips.
* src/android.c (struct android_emacs_service): New method
`name_keysym'.
(android_run_select_thread, android_init_events):
(android_select): Release select thread on semaphores instead of
signals to avoid one nasty race on SIGUSR2 delivery.
(android_init_emacs_service): Initialize new method.
(android_create_window): Handle CW_OVERRIDE_REDIRECT.
(android_move_resize_window, android_map_raised)
(android_translate_coordinates, android_get_keysym_name)
(android_build_string, android_exception_check): New functions.
* src/android.h: Update prototypes.

* src/androidfns.c (android_set_parent_frame, Fx_create_frame)
(unwind_create_tip_frame, android_create_tip_frame)
(android_hide_tip, compute_tip_xy, Fx_show_tip, Fx_hide_tip)
(syms_of_androidfns): Implement tooltips and iconification
reporting.

* src/androidgui.h (enum android_window_value_mask): Add
CWOverrideRedirect.
(struct android_set_window_attributes): Add `override_redirect'.
(ANDROID_IS_MODIFIER_KEY): Recognize Caps Lock.

* src/androidmenu.c (struct android_emacs_context_menu): New
struct.
(android_init_emacs_context_menu, android_unwind_local_frame)
(android_push_local_frame, android_menu_show, init_androidmenu):
New functions.

* src/androidterm.c (handle_one_android_event): Fix NULL pointer
dereference.
(android_fullscreen_hook): Handle fullscreen correctly.
(android_draw_box_rect): Fix top line.
(get_keysym_name): Implement function.
(android_create_terminal): Remove scroll bar stubs and add menu
hook.

* src/androidterm.h: Update prototypes.
* src/emacs.c (android_emacs_init): Initialize androidmenu.c.
* xcompile/Makefile.in: Fix clean rules.