Merge "Use symlinks instead of hard links" into main am: 3d0567ca

Original change: https://android-review.googlesource.com/c/platform/build/+/2760171



Change-Id: I5c4a45a77cda0b96b10b64f0d53446e83f7d7eae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>