Merge "Add fs_config entry for *.rc files." into main am: 68cf5b2239 am: 3a3b79b02e

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3107404

Change-Id: I721d6d6e6367883e744f8ebf684eb8b26a02cf67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>