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: e8c41066 am: 11f2b321

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



Change-Id: Ia4579f29821759eb41c2ec6938181e4aa68b5a16
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>