Move RELEASE_PLATFORM_VERSION_KNOWN_CODENAMES out to release configs. We have more known codenames then we are releasing, and need a way to override this in release configs. Bug: 307733231 Test: m nothing Ignore-AOSP-First: Changes in internal projects first. Change-Id: I44c9224386ca1100f2f95d58020a8ee946978dde Merged-In: I44c9224386ca1100f2f95d58020a8ee946978dde