Merge "Use deterministic salt for boot image avb footer" into main am: 2b181f9a

Original change: https://android-review.googlesource.com/c/platform/build/+/2768202



Change-Id: I834cfd2b29a2eb66f2f339108bfe9c511e6038f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>