tree 7d9efe3b1379c9993882481e08001a010ce96d41
parent dc54be6210bc1ee13892bb12c99b9a09c0d07b0b
author Yue Chen <yuec@google.com> 1521224922 -0700
committer Yue Chen <yuec@google.com> 1521395119 +0000

[NORMATIVE] Use the primary reference frame as prev_frame

Previously LAST_FRAME was used.

BUG=aomedia:1589

Change-Id: I5358e81406afeda4b56de41e55c9c1ab104ec6c4