Define file_diff allowlist for the next builds.

The current allowlist is based on trunk build configuration. the next
configuration may have more diffs. Define more allowlist for the next
build.

The allowlist can be empty when trunk goes to next.

Bug: 346873717
Test: lunch aosp_cf_x86_64_phone-next-userdebug && m
Change-Id: I47642c6b6f564b041914bccf192a9d9295eb3da0