Free the two memory buffers allocated by the daala_ec encoder when
calling od_ec_enc_clear() from aom_daala_stop_encode().
Change-Id: If20e86374ea29e51ee59111012905e56039dd4cc
When building with --enable-daala_ec, calls to aom_write() and aom_read()
use the daala entropy coder to write and read bits.
When the probability is exactly 0.5 (128), then raw bits are used.
ntt-short-1:
MEDIUM (%) HIGH (%)
PSNR -0.027556 -0.020114
PSNRHVS -0.027401 -0.020169
SSIM -0.027587 -0.020151
FASTSSIM -0.027592 -0.020102
subset1:
RATE (%) DSNR (dB)
PSNR 0.03296 -0.00210
PSNRHVS 0.03537 -0.00281
SSIM 0.03299 -0.00161
FASTSSIM 0.03458 -0.00111
Change-Id: I48ad8eb40fc895d62d6e241ea8abc02820d573f7
