qemu-timer.c: rename qemu_timer_new_scale()

Get rid of qemu_timer_new() implementation, and update all
callers to use qemu_timer_new_ms() or qemu_timer_new_ns()
instead.

Rename qemu_new_timer_scale() to qemu_new_timer() to follow
upstream conventions.

Change-Id: Id2c04f8597ec5026e02f87b3e2c5507920eb688e
diff --git a/android/hw-sensors.c b/android/hw-sensors.c
index c3ab12f..69447a2 100644
--- a/android/hw-sensors.c
+++ b/android/hw-sensors.c
@@ -212,7 +212,7 @@
     cl->sensors     = sensors;
     cl->enabledMask = 0;
     cl->delay_ms    = 800;
-    cl->timer       = qemu_new_timer(vm_clock, _hwSensorClient_tick, cl);
+    cl->timer       = qemu_new_timer_ns(vm_clock, _hwSensorClient_tick, cl);
 
     cl->next         = sensors->clients;
     sensors->clients = cl;
@@ -316,7 +316,7 @@
         _hwSensorClient_send(cl, (uint8_t*) buffer, strlen(buffer));
     }
 
-    now_ns = qemu_get_clock(vm_clock);
+    now_ns = qemu_get_clock_ns(vm_clock);
 
     snprintf(buffer, sizeof buffer, "sync:%lld", now_ns/1000);
     _hwSensorClient_send(cl, (uint8_t*)buffer, strlen(buffer));