Merge "Moving FlashallTool Definition" am: 39b1de953f am: e492706352 am: d98a11ab9d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2515685

Change-Id: I9949eb58f07252f23e78a1d15dbd4b3c7b01436a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>