Skip onSharedPreferenceChanged if mIgnoreAutoRotateSettings is true in RotationHelper am: 19d43e0511 am: 8254e21716

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18349767

Change-Id: I08d7167c9fb75752bc4f603b0f7187e127cb090e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>