[Change]

修改速度取值，更新行车记录仪代码。
DEMO必须依附于预览获取YUV数据，不符合需求，这里先接入直播，后续需要按照源码抽离直接通过USB获取YUV的服务

Signed-off-by: donghongyu <donghongyu@zhidaoauto.com>

libraries/map-usbcamera/src/main/java/com/serenegiant/dialog/DialogFragmentEx.java

@@ -0,0 +1,23 @@
+package com.serenegiant.dialog;
+
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;
+
+public abstract class DialogFragmentEx extends DialogFragment {
+	protected static final String ARGS_KEY_REQUEST_CODE = "requestCode";
+	protected static final String ARGS_KEY_ID_TITLE = "title";
+	protected static final String ARGS_KEY_ID_MESSAGE = "message";
+	protected static final String ARGS_KEY_TAG = "tag";
+
+	@Override
+	public void onSaveInstanceState(@NonNull final Bundle outState) {
+		super.onSaveInstanceState(outState);
+		final Bundle args = getArguments();
+		if (args != null) {
+			outState.putAll(args);
+		}
+	}
+
+}