Version 71.0.3578.27
Platform 11151.16.0 dev-channel bob test
Firmware Google_bob 8785.262.0
Google_Input_Tools_Version:71.0.20181101.219746232


REPRO STEPS:
1.Switch to any US or FR keyboards
2.Tap any digital or symbol
3.Suggest word will displayed
4.Want to delete input digital or symbol

Actual:
Need to press BS key twice to delete input digital or symbol , first tapping BS key will clear suggest words, the second bs key will delete input digital or symbol 

Expected:
Maybe when input digital or symbol , disabled suggest words display;