[automerger skipped] Update Security String to 2020-11-01 am: efacba8e am:...

[automerger skipped] Update Security String to 2020-11-01 am: efacba8e am: ec316d38 am: ee7f2003 am: fad16b30 am: 7490ed5c am: 7786db26 -s ours am: c581e2d9 -s ours

am skip reason: Change-Id I96489891caa4f5248c90be2d8c16327e1991e3bb with SHA-1 727715f1 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/12617844

Change-Id: I6332c98173c0995acaeabb964ae80977ca9bf1da