[automerger skipped] Sets BOOT_SECURITY_PATCH for the generic boot.img am: 008599f7e9 am: 3ee873c818 -s ours am: c5e1376d7a -s ours

am skip reason: Merged-In I3909cccd0eae7c142d3c01d0ecb2c249286b9ebe with SHA-1 81a23fed56 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15360180

Change-Id: Ia20361fd534144b3b854272dce417355a91258e3