tree a72f04d7821e4b0f4a5771d7969289b4f413a0a9
parent 75dc1f16e3637b9045ee047d5bf7ab15565b5d21
author Yi-Ling Chuang <emilychuang@google.com> 1621571705 +0800
committer Yi-Ling Chuang <emilychuang@google.com> 1621845868 +0800

Create interface for different transition types.

Bug: 187542491
Test: rebuild
Change-Id: Id80e2a7401498970e2c339a10f119ab3d0c314bf