Fixed misspelled references to browser_switcher headers

Some isolate step errors in trybots mentioned these non-existing
headers so hoping the trybots will be happier, this patch removes
and changes the names to point to existing files.

Bug: 881589
Change-Id: I6c7728110a9ce162293c57606824140cdacd8d38
Reviewed-on: https://chromium-review.googlesource.com/c/1286660
Reviewed-by: Julian Pastarmov <[email protected]>
Commit-Queue: Daniel Bratell <[email protected]>
Cr-Commit-Position: refs/heads/master@{#601133}
1 file changed