Implement notification residency on Android
* doc/lispref/os.texi (Desktop Notifications): Document support
for `:resident'.
* java/org/gnu/emacs/EmacsService.java (cancelNotification):
* src/android.c (android_init_emacs_service):
* src/android.h (struct android_emacs_service): New function.
* src/androidselect.c (android_notifications_notify_1)
(Fandroid_notifications_notify): New parameter QCresident; save
it within notification lists.
(android_notification_deleted, android_notification_action):
Adjust for changes to the format of notification lists and
cancel non-resident notifications when an action is selected.
(syms_of_androidselect): <QCresident>: New symbol.
(cherry picked from commit
d7ded996082503ca00546c220c7ce8d96e16b76a)