9170ca82bd
For smaller size screens (such as 720p), in split-screen view, the size of DividerSnapAlgorithm.mTargets is 3, the divider line can only stop in the middle. As the original logic, when tapping recent, it will cause the top-docked activity to resize, leading to flash in some cases. To fix this, do not call startDragging in this scenario. Google issue: https://code.google.com/p/android/issues/detail?id=224851 Change-Id: Iac58d536ccf668eed67f82418ce2cf90d46670ed