[automerger skipped] Update Security String to 2021-11-01 am: bdb63576 am:...

[automerger skipped] Update Security String to 2021-11-01 am: bdb63576 am: 51b1e117 am: 5593bbe1 am: e297219e am: 6cbee400 -s ours am: 8e6eb662 -s ours am: ff482bb0 -s ours

am skip reason: Merged-In I7e03900c5d853b32f8fbd75cb591063ba4a27450 with SHA-1 0449bb97 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15845733

Change-Id: Ia35fca7eac23581d29267d5d90ac437c0982d2a1