Merge "Remove magic code to flash the screen" am: 176a6c4964 am: 2c07bef7e0 am: 10ad06fb2e

Original change: https://android-review.googlesource.com/c/platform/bootable/recovery/+/1779905

Change-Id: I95b3a66ef7ae138bbbdd4677896fbc5ba9af0f00