[automerger skipped] Fix kotlin nullable errors in Launcher3 am: 4cc251e6...

[automerger skipped] Fix kotlin nullable errors in Launcher3 am: 4cc251e6 am: ae14bc26 -s ours am: 85940ae0 -s ours

am skip reason: Merged-In I4525d0fa83a1db9cc5cff90f340fc3f863537c01 with SHA-1 abf18e9c is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24406718



Change-Id: Ib2980e724ec58e921e71bac4d03933c6e97afc76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>