Merge "Concatenate cl hashes so that git revert can revert multiple commits."...

Merge "Concatenate cl hashes so that git revert can revert multiple commits." am: 1ff5e0e3 am: c10b2f79 am: 6a379936

Original change: https://android-review.googlesource.com/c/platform/build/+/2281781



Change-Id: I16adde752c2978db35d43aee622fc0f09d078a4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>