Deprecate FILE_NAME_TAG am: 5485f39ff9

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/23377729

Change-Id: Ib29c7693cf727156a871ca6b7877cd5226efcbcb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>