If a generated chunk is listed in the codexComponents array,
an exception will be thrown informing the developer that the
item is not an export of Codex and cannot be required.
Text fixtures and expected values were updated to match
recent changes to the manifest that made composables
explict entries.
Bug: T353191
Change-Id: Ie3e35501993b1ad5d29ebecbcc8203e7f4ea8c81
