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

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

Change-Id: I266757fc61df721a18256ee385e86cd2032bb360
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>