Merge "Add non null check on mViewPager" into tm-dev am: 6c2c619d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18349770



Change-Id: I10b025fcdf15b721a975313f6f6f7bd386e45888
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>