Merge "Update Security & Privacy top-level settings icon." into udc-dev am: be16edbe

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22425556



Change-Id: I6f6c054dfcfba7d81214c05ff241a58f559587e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>