Merge "Fix adjacent page offset in landscape orientation" into ub-launcher3-rvc-qpr-dev am: 3f20e33af6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12327711

Change-Id: I8f2da96439372a9f6671469c3c41e4c0a43a4067