Merge "Restore previous currentPage in applyLoadPlan in case task is re-ordered" into sc-dev am: 679f8bb9ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15175270

Change-Id: Icaebfb0b8ea2de3109030f140b3dabbc139e1aa2