tree 6c54c4a6153c23524aefd6cbc0d1642440607786
parent c6d7e2d5c435dcb58b4cb40819569d8d882e3114
author Wan-Teh Chang <wtc@google.com> 1541546587 -0800
committer Wan-Teh Chang <wtc@google.com> 1542147635 +0000

Document all TX_TYPE enums.

BUG=aomedia:2229

Change-Id: I8a52fc2d73dce10a4e1526e1fe6f386d19ea8013