Merge "Remove mentions of deleted script construct_context.sh in comments."...

Merge "Remove mentions of deleted script construct_context.sh in comments." am: 46375371 am: 67c0e8f6 am: 29dc012e am: 9cb60b28

Original change: https://android-review.googlesource.com/c/platform/build/+/1351543

Change-Id: Id8ad058548e783df391c0bb0d220786f7c53c5d2