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

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

Change-Id: Ifce330e4baca6190f42cc4785f662eee7cd2bf67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>