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.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/android.h b/src/android.h
index ee634a3e76c..2ca3d7e1446 100644
--- a/src/android.h
+++ b/src/android.h
@@ -302,6 +302,7 @@ struct android_emacs_service
   jmethodID valid_authority;
   jmethodID external_storage_available;
   jmethodID request_storage_access;
+  jmethodID cancel_notification;
 };
 
 extern JNIEnv *android_java_env;