Merge "aconfig: update error message in modify_parsed_flags_based_on_mode"...

Merge "aconfig: update error message in modify_parsed_flags_based_on_mode" into main am: 9cd08c66 am: 9a8d7f14

Original change: https://android-review.googlesource.com/c/platform/build/+/2883810



Change-Id: I48dace6736e187d6f16118d92cb9bbe96bede91c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>