[automerger skipped] Fix kotlin nullable errors in frameworks/libs/systemui am: b80daead am: cfe967f9 -s ours

am skip reason: Merged-In If8dc1d32d7fd02e41c12cfb1571374c1e974e87c with SHA-1 6aaf864a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/systemui/+/24517061



Change-Id: I61ea40edb3274a98711525870a20bf5fc9acd795
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>