[automerger skipped] Merge "Change nullability of inheriting function of PinPrivacyPreferenceController" into main am: 1937711c8a am: e75ae19e0f -s ours am: 19688da90e -s ours am: 9517e0e202 -s ours am: f92b2ab6d1 -s ours

am skip reason: Merged-In Idbfa244921957be2bba3cd02e5e873e81e8807d8 with SHA-1 05514d0f4d is already in history

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2717673

Change-Id: Iba1f58b2f965429a4da280222e028b159d217a8b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>