* [flutter_tools] support Android Studio 4.1 on Windows (#67992)

Android Studio 4.1 moved the location of the .home file on Windows which is used to located the install directory. This functionality is important because it is how we locate and discover the Android SDK functionality, as well as the appropriate JRE.

fixes #67986

* [gestures] make stylus pointer types use touch pan/drag slop (#67885)

* Update engine cherrypicks

* pin customer_testing and add back windows to cirrus

Co-authored-by: Jonah Williams <jonahwilliams@google.com>