Version 70.0.3505.0(Official build) canary (32-bit)
Platform 10926.0.0（official build) canary-channel kevin
Firmware Google_Kevin.8785.264.0


REPRO STEPS:
a.
1.Switch to Pinyin keyboard.
2.Click '?123' button, check '?123' layout UI.
3.Click '~[<' button, check '~[<' layout UI.

b.
1.Switch to any US A11y keyboard.
2.Open HW layout.
3.Click '?123' button, check '?123' layout UI.
4.Click '~[<' button, check '~[<' layout UI.


Actual result: 
?123'&'~[<' layouts are not the same,'?123'&'~[<' layouts may be wrong  for A11y Pinyin keyboard.