Revert "Prevent horizontal scrollbar after menu closing animation"

This reverts commit 5caf98a164c0d9b3ae09a16d851af4e7bb8e8f4e.
which has broken vertical scrolling in older iPhones

Bug: 65393
Change-Id: Ie38a49914c273f6b0b8ae3ce64c982ac147ab92f
(cherry picked from commit 835b2b4a669e808ad1814936e020a66e6473a3a5)