(gyp): breakpad_host should push include_dirs to dependents

Followup to https://codereview.chromium.org/2169063002

BUG=internal b/30003601
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2183613003
Cr-Commit-Position: refs/heads/master@{#407758}
1 file changed