Android: Fix a BottomSheet crash bug

Bug: 994721
Change-Id: I59513333ac07d472c4ce66f8b54e606e3fd07bcf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1758035Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689206}

chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java

@@ -1037,9 +1037,7 @@ public class BottomSheet
             }
         });
 
-        if (targetState != SheetState.HIDDEN) {
         setInternalCurrentState(SheetState.SCROLLING, reason);
-        }
         mSettleAnimator.start();
     }