aio / timers: convert block_job_sleep_ns and co_sleep_ns to new API

Convert block_job_sleep_ns and co_sleep_ns to use the new timer
API.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/qemu-coroutine-sleep.c b/qemu-coroutine-sleep.c
index 169ce5c..f6db978 100644
--- a/qemu-coroutine-sleep.c
+++ b/qemu-coroutine-sleep.c
@@ -26,14 +26,14 @@
     qemu_coroutine_enter(sleep_cb->co, NULL);
 }
 
-void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns)
+void coroutine_fn co_sleep_ns(QEMUClockType type, int64_t ns)
 {
     CoSleepCB sleep_cb = {
         .co = qemu_coroutine_self(),
     };
-    sleep_cb.ts = qemu_new_timer(clock, SCALE_NS, co_sleep_cb, &sleep_cb);
-    qemu_mod_timer(sleep_cb.ts, qemu_get_clock_ns(clock) + ns);
+    sleep_cb.ts = timer_new(type, SCALE_NS, co_sleep_cb, &sleep_cb);
+    timer_mod(sleep_cb.ts, qemu_clock_get_ns(type) + ns);
     qemu_coroutine_yield();
-    qemu_del_timer(sleep_cb.ts);
-    qemu_free_timer(sleep_cb.ts);
+    timer_del(sleep_cb.ts);
+    timer_free(sleep_cb.ts);
 }