4.0.1

EasyAR Sense 4.0.1 adds some minor features and fixes to improve user experience.

Detailed changes are as bellow,

+ add ReachedAccessLimit state in CloudRecognizer status callback

+ add InputFrame recording and playing for debugging

+ add supported device models for MotionTracking

* fix memory leak in MotionTracking

* focus mode in MotionTracking is changed to Continousauto

* fix crash on error in SparseSpatialMapManager.load

* fix camera background not updating in Android HelloARMotionTracking sample

* fix some stability problems