Merge "Use symlinks instead of hard links" into main am: 3d0567ca am: 6ec1c0e1 am: 38de8300

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



Change-Id: Ib0c6607b3abd841d54f1a866635723709ba63393
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>