小米5s在Unity中使用SurfaceTracking demo无法打开摄像头 画面一片黑，报错信息如下：
主要报错信息： E/libc: Access denied finding property "persist.camera.cfa.packagelist"
日志：
2020-09-16 15:56:10.697 2181-2354/com.shuwen.easyar D/AudioTrack: Client defaulted notificationFrames to 192 for frameCount 1536
2020-09-16 15:56:11.144 2181-2354/com.shuwen.easyar D/AudioManager: getStreamVolume isRestricted mode = 0
2020-09-16 15:56:11.189 2181-2354/com.shuwen.easyar I/zygote64: android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasWideColorDisplay retrieved: 0
2020-09-16 15:56:11.197 2181-2354/com.shuwen.easyar I/zygote64: android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasWideColorDisplay retrieved: 0
2020-09-16 15:56:11.264 2181-2354/com.shuwen.easyar V/MediaRouter: Adding route: RouteInfo{ name=手机, description=null, status=null, category=RouteCategory{ name=系统 types=ROUTE_TYPE_LIVE_AUDIO ROUTE_TYPE_LIVE_VIDEO groupable=false }, supportedTypes=ROUTE_TYPE_LIVE_AUDIO ROUTE_TYPE_LIVE_VIDEO , presentationDisplay=null }
2020-09-16 15:56:11.291 2181-2354/com.shuwen.easyar V/MediaRouter: Selecting route: RouteInfo{ name=手机, description=null, status=null, category=RouteCategory{ name=系统 types=ROUTE_TYPE_LIVE_AUDIO ROUTE_TYPE_LIVE_VIDEO groupable=false }, supportedTypes=ROUTE_TYPE_LIVE_AUDIO ROUTE_TYPE_LIVE_VIDEO , presentationDisplay=null }
2020-09-16 15:56:11.350 2181-2513/com.shuwen.easyar E/AudioTrack: did not receive expected priority boost on time
2020-09-16 15:56:13.418 2181-2354/com.shuwen.easyar I/Unity: EasyAR Sense Unity Plugin Version 4.1.0.811-b8004aa8b
easyar.EasyARController:GlobalInitialization()
(Filename: ./Runtime/Export/Debug/Debug.bindings.h Line: 35)
2020-09-16 15:56:13.688 2181-2354/com.shuwen.easyar I/EasyAR: EasyAR Sense (Android-arm64) Version 4.1.0.7750-f1413084f
2020-09-16 15:56:17.897 2181-2354/com.shuwen.easyar D/AudioManager: getStreamVolume isRestricted mode = 0
2020-09-16 15:56:19.026 2181-2354/com.shuwen.easyar I/EasyAR: Camera2 selected
2020-09-16 15:56:19.030 2181-2354/com.shuwen.easyar I/CameraManagerGlobal: Connecting to camera service
2020-09-16 15:56:19.059 2181-2354/com.shuwen.easyar W/EasyAR: Camera2: Timestamp is not precise.
2020-09-16 15:56:19.390 2181-2181/com.shuwen.easyar W/UnityMain: type=1400 audit(0.0:4817): avc: denied { read } for name="u:object_r:camera_prop:s0" dev="tmpfs" ino=7140 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:camera_prop:s0 tclass=file permissive=0
2020-09-16 15:56:19.404 2181-2354/com.shuwen.easyar E/libc: Access denied finding property "persist.camera.cfa.packagelist"
2020-09-16 15:56:20.187 2181-2191/com.shuwen.easyar I/zygote64: Do partial code cache collection, code=61KB, data=44KB
2020-09-16 15:56:20.188 2181-2191/com.shuwen.easyar I/zygote64: After code cache collection, code=61KB, data=44KB
2020-09-16 15:56:20.188 2181-2191/com.shuwen.easyar I/zygote64: Increasing code cache capacity to 256KB
2020-09-16 15:59:21.992 2181-2191/com.shuwen.easyar I/zygote64: Do full code cache collection, code=123KB, data=81KB
2020-09-16 15:59:21.993 2181-2191/com.shuwen.easyar I/zygote64: After code cache collection, code=77KB, data=46KB