AOD: Avoid double re-registration of sensors

Bug: 62940557
Test: adb shell setprop log.tag.DozeService DEBUG; adb kill `pid systemui`; adb logcat -s DozeSensors, verify sensors are only reregistered, not registered, unregistered and reregistered after unpausing AOD
Change-Id: I362eca377ec67e986c7aef8ad81ce261a6f3fd68

packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java

@@ -186,10 +186,10 @@ public class DozeTriggers implements DozeMachine.Part {
             case DOZE:
             case DOZE_AOD:
                 mDozeSensors.setProxListening(newState != DozeMachine.State.DOZE);
-                mDozeSensors.setListening(true);
                 if (oldState != DozeMachine.State.INITIALIZED) {
                     mDozeSensors.reregisterAllSensors();
                 }
+                mDozeSensors.setListening(true);
                 break;
             case DOZE_AOD_PAUSED:
                 mDozeSensors.setProxListening(true);