Merge "Only check for powerwash in A/B ota packages" am: 56bca1f2

Original change: https://android-review.googlesource.com/c/platform/bootable/recovery/+/2256203



Change-Id: I97b0be09883a1b1737388241a338f50cf4196603
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>