Merge "Use deterministic salt for AVB footer of prebuilt boot img" into main...

Merge "Use deterministic salt for AVB footer of prebuilt boot img" into main am: 07f84b7b am: fa0091a9 am: fa58c8aa

Original change: https://android-review.googlesource.com/c/platform/build/+/2794713



Change-Id: I2385f7fe7f558458b8af2b388a929b6e4448f6d3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>