Restore IME visibility based on WindowState / requestedVisibleTypes

This CL changes the source of how the IME visibility should been
restored: Before, the ActivityRecord of the WindowState held a flag with
the visibility. However, this could led to the visibility being restored
more than once, because it was not updated. With the recent changes, the
ground truth is stored in the requestedVisibleTypes of an
InsetsControlTarget. Therefore, this can be used to determine whether
the IME was visible before, and if it should be restored.

However, this also brings a behavior change when the IME was showing before, but not explicitly requested again after rotation. Unlike other insets types, the IME was showing up again in such a scenario. By activating this flag, an app has to explicitly request the IME to show after rotation, otherwise it remains hidden (except of when the editText has still focus, and SOFT_INPUT_STATE_ALWAYS_VISIBLE was set).

Bug: 291740458
Bug: 391859600
Flag: android.view.inputmethod.disable_ime_restore_on_activity_create
Test: atest KeyboardVisibilityControlTest#testImeHiddenWhenSoftInputStateUnchanged
Test: atest KeyboardVisibilityControlTest#testRotateScreenWithKeyboardShownImplicitly
Change-Id: Ibe4138f2184a7dec8fd64cdf0a120a8fdb0acfb6