build: Add BUILD.bazel file am: b148d78706 am: 11c0b06b54 am: d11c6bc653 am: d1f37c215b

Original change: https://android-review.googlesource.com/c/platform/external/dtc/+/2569090

Change-Id: Idaef77b3c55800c207a57623bd4f7a503458b33e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>