Fix display changed flag check optimization am: 655b47c614 am: 433d8ca00f am: 22a9c90303

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11788843

Change-Id: I665fe7d2a697891f1fa7b46df0233f4ccd2203dc