Propagate call quality reports from Telephony to CallDiagnosticService.

Complete plumbing for call quality reports to get to the CDS.

Test: Manual network testing.
Test: Modify CTS tests to cover these cases.
Bug: 163085177
Change-Id: I2bb68d29c4ad11cc8738c26cd69404fde4348843

telecomm/java/android/telecom/CallDiagnosticService.java

@@ -27,6 +27,8 @@ import android.os.Handler;
 import android.os.HandlerExecutor;
 import android.os.IBinder;
 import android.os.RemoteException;
+
+import android.telephony.CallQuality;
 import android.util.ArrayMap;
 
 import com.android.internal.telecom.ICallDiagnosticService;
@@ -111,6 +113,12 @@ public abstract class CallDiagnosticService extends Service {
                 @NonNull DisconnectCause disconnectCause) throws RemoteException {
             handleCallDisconnected(callId, disconnectCause);
         }
+
+        @Override
+        public void callQualityChanged(String callId, CallQuality callQuality)
+                throws RemoteException {
+            handleCallQualityChanged(callId, callQuality);
+        }
     }
 
     /**
@@ -374,6 +382,21 @@ public abstract class CallDiagnosticService extends Service {
         getExecutor().execute(() -> onBluetoothCallQualityReportReceived(qualityReport));
     }
 
+    /**
+     * Handles a change reported by Telecom to the call quality for a call.
+     * @param callId the call ID the change applies to.
+     * @param callQuality The new call quality.
+     */
+    private void handleCallQualityChanged(@NonNull String callId,
+            @NonNull CallQuality callQuality) {
+        Log.i(this, "handleCallQualityChanged; call=%s, cq=%s", callId, callQuality);
+        CallDiagnostics callDiagnostics;
+        callDiagnostics = mDiagnosticCallByTelecomCallId.get(callId);
+        if (callDiagnostics != null) {
+            callDiagnostics.onCallQualityReceived(callQuality);
+        }
+    }
+
     /**
      * Handles a request from a {@link CallDiagnostics} to send a device to device message (received
      * via {@link CallDiagnostics#sendDeviceToDeviceMessage(int, int)}.