[Home] Fix another JB svelte toolbar issue

:(

BUG=769611

Change-Id: I6d455b6bba646a27f81f47c4d1058a80778712fd
Reviewed-on: https://chromium-review.googlesource.com/703994Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506919}

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

@@ -886,6 +886,12 @@ public class BottomSheet
 
         // A light toolbar theme means the handle should be dark.
         mDefaultToolbarView.updateHandleTint(!isLightToolbarTheme);
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
+            // A layout is requested so that the toolbar contents don't disappear under certain
+            // scenarios on Android J. See crbug.com/769611.
+            mControlContainer.requestLayout();
+        }
     }
 
     @Override