conradchen f3c6430f94 [ChipGroup] Refactor chip group selection logic to a standalone class
This CL pulls out the checkable group logic to a standalone class, which can be shared by different UX components. It also makes chip groups support multiple selection better with introducing a new listener based on the multiple selection and deprecates the old listener which only supports single selection.

PiperOrigin-RevId: 427204476
2022-02-09 15:55:24 +00:00
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2021-11-29 17:35:39 +00:00
2021-11-29 17:35:39 +00:00
2022-01-27 09:54:21 -08:00
2021-11-29 17:35:39 +00:00
2021-11-29 17:35:39 +00:00
2022-01-27 09:54:21 -08:00