2816 [image_picker] Add web support to the example app. (cla: yes)

2817 [image_picker_for_web] Remove android directory. (cla: yes, waiting for test harness)

2819 [video_player] Miscellaneous fixes to improve video player in web. (cla: yes)

2820 [connectivity] Bring “experimental” connectivity web to main repo. (cla: yes)

2826 Update Linux desktop Dockerfile for GTK switch (cla: yes)

2834 [In_App_Purchase]queryPastPurchases() shouldn’t block transaction updates. (cla: yes)

2836 [shared_preferences_linux] Add support for Linux (cla: yes)

2842 [e2e] Fix e2e pixel ratio (cla: yes)