Set mEnableDrawingLiveTile = false in RecentsView#reset()

This should help ensure we only finish the recents controller when we're actually still in live tile mode.

Test: theoretical (no repro steps)
Fixes: 187354606 (hopefully)
Change-Id: If0632f03535e4aafaea751724f080f272a6af58f

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -1561,6 +1561,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
                 mRecentsAnimationController = null;
             }
         }
+        setEnableDrawingLiveTile(false);
         mLiveTileParams.setTargetSet(null);
         mLiveTileTaskViewSimulator.setDrawsBelowRecents(true);