Add Image Loader to expected extensions

BUG=chromium:175697
TEST=security_BundledExtensions passes on ToT/x86-zgb

Change-Id: I842becbe29c99687c678614ee485a09afaa5747b
Reviewed-on: https://gerrit.chromium.org/gerrit/43994
Commit-Queue: Jim Hebert <jimhebert@chromium.org>
Tested-by: Jim Hebert <jimhebert@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
1 file changed