Set the minimum fling to the title height.
Set the minimum fling to the title height.

Dragging and flinging have different minimums for the max Y
value. Allow the fling to have the title height instead of zero
for the minimum max Y so the title can always be removed via
fling.

This fixes http://b/issue?id=2109006

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base