Recycler keep emoji checked state

Describe your environment

• Device model: Virtual Pixel4
• Android version: API24
• What build you are using: your own, tag android/release_364

Additional information

assigned to @pnicolas

added sprintin progress label

added sprintto review label and removed sprintin progress label

mentioned in commit b96f22c8

closed

added sprintdone label and removed sprintto review label