fix(test): test_settings_brightness 期望值随亮度默认 50 同步(M2.97 陈旧) + ncm app.json 声明 background_audio=1(接 M4 后台播放)

patch_v2/ncm_app/app.json

@@ -1 +1 @@
-{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/ncm","package":"dev.player.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"common","author":"MeowOS"}
+{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/ncm","package":"dev.player.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"common","author":"MeowOS","background_audio":1}