Set config values explicitely in unit tests

Fixes: 187275931
Test: atest
Change-Id: Ie8a1707b760a157181100dc6a49b4a70ea5f096f

services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDevicePlaybackTest.java

@@ -168,6 +168,8 @@ public class HdmiCecLocalDevicePlaybackTest {
         mPlaybackLogicalAddress = mHdmiCecLocalDevicePlayback.getDeviceInfo().getLogicalAddress();
         mHdmiControlService.getHdmiCecNetwork().addCecDevice(INFO_TV);
         mNativeWrapper.clearResultMessages();
+        mHdmiCecLocalDevicePlayback.mPlaybackDeviceActionOnRoutingControl =
+                HdmiProperties.playback_device_action_on_routing_control_values.NONE;
     }
 
     @Test