20708 The ForwardingGestureRecognizers to have back reference to the PlatformViewsController so it can access FlutterViewController when its available  (cla: yes, platform-ios, waiting for tree to go green)

20733 Pass platform configuration to Dart VM for insecure socket policy (cla: yes, platform-android, platform-ios, waiting for tree to go green)

20797 Flutter Engine Beta 1.21.0-9.2.pre cherry picks (cla: yes, platform-android, platform-ios)

20805 Fix iOS text field input keyboard flickering & crash (cla: yes, platform-ios, waiting for tree to go green)

20812 Revert “Pass platform configuration to Dart VM for insecure socket policy” (cla: yes, platform-android, platform-ios)