scripts: Support compressed about_os_credits.html.

BUG=b:187790036
BRANCH=none
TEST=ensure_not_tainted_license.sh /path/to/chromiumos_test_image.bin

Signed-off-by: Miriam Zimmerman <mutexlox@google.com>
Change-Id: Id3ad6535b1bc9635050d467208614f97e0aeca35
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/4467627
Commit-Queue: Miriam Zimmerman <mutexlox@chromium.org>
Tested-by: Miriam Zimmerman <mutexlox@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed