[automerger skipped] [DO NOT MERGE] Add Goma deprecation PSA to soong. am: ee50d5b5 am: db6b17e7 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/12614869

Change-Id: I285da4ba062e0c6810a77cc8b4e66412ab9d5964