add support py3.9 for mac

fix build error

Update README.md

changed the version tag from 0.1.9 to 0.1.90

Update README.md

Update README.md

Fixed build error on fedora

Support tf.1.14 and tf.2.0.0

Update setup.py

Remove the LICENSE export as there is no license file in src/

This breaks addlicensedeps.py for AGSA.

PiperOrigin-RevId: 252439316