OTA: update SetBlockDeviceReadOnly am: fc20b67da1 am: dd09e617cb am: a4c97254d1

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2745153

Change-Id: Ifdd105a853107048fa864e6bed99fcb78db67ea7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>