Fixing quick settings locked in split shade

Values of scrollY and range to top in split shade made "mAmbientState.getScrollY() <= scrollRangeToTop" always false and thus qs expansion was always disabled.

Test: Expand split shade, expand QS
Fixes: 191622712
Fixes: 191226077
Change-Id: I916a895aa7abeaf3e5739b503458fe47aac219c2
1 file changed