tree ac00b8b602fba4b637fe00987e50989501325dd1
parent e67c3e068b90772d0a7adb56cac4af5a62dcef8b
author Dhruv Srivastava <dhruvsri@google.com> 1608132999 +0100
committer Dhruv Srivastava <dhruvsri@google.com> 1610398858 +0100

Add parent property to comment thread

I4aed6e126 is adding support for ported comments left on Base and
requires parent property be available in comment threads to determine
if they are left on merge parents.

Change-Id: Ifb3ddf4a910e95382dc64038e61fde4862c63f72