Fix AVR compatibility.

Not to start ARC action if ARC has been already established
It’s a device compatibility issue happened with Sony amplifier str-dn860.
Occasionally ARC won’t be able to be established after connect the amplifier to TV through HDMI ARC.

Bug: 133329521

Change-Id: I857e2457cb682e810a940b0698d4bb635bebd1de

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

@@ -850,7 +850,11 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
                 mSystemAudioActivated = on;
                 mService.announceSystemAudioModeChange(on);
             }
-            startArcAction(on);
+            if (on && !mArcEstablished) {
+                startArcAction(true);
+            } else if (!on) {
+                startArcAction(false);
+            }
         }
     }