Add <Request Active Source> when CEC is on or TV wakes up.

Bug: 130316162
Test: manual
Change-Id: Iae1b22a19d4bf308cadb45590346f46325b222c3

services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java

@@ -213,9 +213,11 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
         mLocalDeviceAddresses = initLocalDeviceAddresses();
         resetSelectRequestBuffer();
         launchDeviceDiscovery();
+        if (!mDelayedMessageBuffer.isBuffered(Constants.MESSAGE_ACTIVE_SOURCE)) {
+            mService.sendCecCommand(HdmiCecMessageBuilder.buildRequestActiveSource(mAddress));
+        }
     }
 
-
     @ServiceThreadOnly
     private List<Integer> initLocalDeviceAddresses() {
         assertRunOnServiceThread();