Fix typo in daala_tx constant.
Fix typo in daala_tx constant.

Change-Id: Ida7e054d3e8eedc9e134f0a595072c8cd50e74f9

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom