Create scripts zip and add coverage script am: 734032be5f am: a83f70808d

Original change: https://android-review.googlesource.com/c/trusty/vendor/google/aosp/+/2769562

Change-Id: I947599efadbc7c02778b6afc5ed84aeca4dccc95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>