3985 [video_player_web] fix: set autoplay to false during initialization (cla: yes, waiting for tree to go green, p: video_player, platform-web)

3986 [video_player] Add iOS unit and UI tests (cla: yes, waiting for tree to go green, p: video_player, platform-ios)

3987 [url_launcher] Add iOS unit and UI tests (cla: yes, waiting for tree to go green, p: url_launcher, platform-ios)

3988 [in_app_purchase] Fix Restore previous purchases link (cla: yes, waiting for tree to go green, p: in_app_purchase)

3995 [webview_flutter] Add iOS integration tests (cla: yes, waiting for tree to go green, p: webview_flutter, platform-ios)