Do not require explicit initialization of ResourceExtractor
It's used only for locale pack files now, so shouldn't require so much
attention.
This also removes the extraction args from
ComponentsBrowserTestsApplication.java, which don't appear to be
necessary
BUG=
Committed:
https://crrev.com/5f042d748484efcdac252f44469cb764c4decd3e
Cr-Commit-Position: refs/heads/master@{#336020}