Populate repo_path_map

checkout/api.py populates patch_projects mapping which has no effect.
All of its usages were migrated to repo_path_map mapping.
Populate repo_path_map instead.

R=rmistry@chromium.org

Bug: 694348
Change-Id: I4fc6fe86565f75f4b4b5b5ca041f584d30fcd8a5
Reviewed-on: https://skia-review.googlesource.com/155632
Auto-Submit: Nodir Turakulov <nodir@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
1 file changed