Merge "hooks: bpfmt: display formatting diff on errors" into main am: 2976a4d245

Original change: https://android-review.googlesource.com/c/platform/tools/repohooks/+/2621057

Change-Id: I86ab7851460c8499a38a513df1cbb9131172d67f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>