Merge "Remove recursive rule variable reference" into main am: 3abcf1d80a am: ac540e60f9 am: 9f2e05e0bc

Original change: https://android-review.googlesource.com/c/platform/external/llvm/+/2901828

Change-Id: Ia1d2fce092053beb3fdeb8713cf9425d1f789583
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>