chromeos: fix minidump-dir-for-tests flag
chromeos: fix minidump-dir-for-tests flag

Bug: b/145241430
Change-Id: I766c9bcb6f0b2eaf4219dad38cdb02867bf76a2b
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/1976077
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>
Commit-Queue: Joshua Peraza <f5809a5e35ec7e1bd0e25cb0a0b68bb433cf6f17@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad