v0.7.0

• New Sample App (homuler#296)
  • Support Objectron on iOS, Linux CPU, macOS, and Windows
  • Support InstantMotionTracking on iOS, Linux CPU, macOS, and Windows
  • Support HairSegmentation on iOS, macOS, and Windows
  • Support BoxTracking on Windows
  • Enable to use image or video as the input
• CalculatorGraph#AddOutputStreamPoller now supports observeTimeoutBounds
• Implement APIs to set Glog's flags
• Bug Fixes
  • Annotations aren't correct when the input image is rotated
  • Depending on the orientation of the device, the orientation of the image may not be correct
  • Stop WebCamTexture when a scene is exiting
  • Cannot pass linker options to clang
  • API level need to be specified for some devices (fixed by @FUBAR2077 )
  • etc...