[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 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: I3d35b239bc1912ccc6fa8c3ae91b9b79498798b9