Invoke callback for HdmiControlService.deviceSelect() for internal source

The call should be always successful if device to switch to is internal
TV source as setting it as the active source doesn't require communication
with other devices. Added the missing callback invocation.

Change-Id: I9968098316a955509f4de0e7af6f4407087ad4a2

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

@@ -135,7 +135,10 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
     void deviceSelect(int targetAddress, IHdmiControlCallback callback) {
         assertRunOnServiceThread();
         if (targetAddress == Constants.ADDR_INTERNAL) {
-            handleSelectInternalSource(callback);
+            handleSelectInternalSource();
+            // Switching to internal source is always successful even when CEC control is disabled.
+            setActiveSource(targetAddress);
+            invokeCallback(callback, HdmiControlManager.RESULT_SUCCESS);
             return;
         }
         if (!mService.isControlEnabled()) {
@@ -153,7 +156,7 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
     }
 
     @ServiceThreadOnly
-    private void handleSelectInternalSource(IHdmiControlCallback callback) {
+    private void handleSelectInternalSource() {
         assertRunOnServiceThread();
         // Seq #18
         if (mService.isControlEnabled() && getActiveSource() != mAddress) {