Tricky Design

1. Pull file repeatedly to make sure the video is intact

com.microsoft.hydralab.common.screen.PhoneAppScreenRecorder--finishRecording()--line 119

2. Should analysis inputStream and record time tag when running smart test

com.microsoft.hydralab.agent.runner.smart.SmartTestLog

3. The video tag logic is a huge pain and used a lot of tricky designs and the schema is hard to parse and understand.

We'd better create a new POJO to wrap the info. Related references:

com.microsoft.hydralab.agent.runner.espresso.testStarted
com.microsoft.hydralab.common.entity.common.DeviceTestTask.addNewTimeTag
com.microsoft.hydralab.center.controller.TestDetailController.deviceTaskInfo
react/src/component/VideoNavView.jsx:110