FP3: build have overriding commands

These products have warnings about overriding build commands, which
means that there are multiple instructions on how to build a file, and
we've just picked one of them. Which one we pick is usually stable, but
it can change.

Bug: 77611511
Test: turn default to false, walleye still uses a warning
Change-Id: I11d194863b313f64b19291f65219682b169d9ced