tree dc3c819b2c65b1f81d4d3a556552052943df4057
parent f2fcde6ec285309733d51d88eb584bf31953af68
author Wanying Ding <wanyingd@google.com> 1636505171 +0000
committer Wanying Ding <wanyingd@google.com> 1636522850 +0000

Added XType#superTypes.

Test: tested with XTypeTest
Change-Id: I47af47b60e92707b5b3659035627bc0f1b481e92