Set dtc as dependency of dtdiff am: 5379c8790e am: 4a06b29d36

Original change: https://android-review.googlesource.com/c/platform/external/dtc/+/2929812

Change-Id: I665ccf3dfbe7678c57aa7d286dc1c9851d211742
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>