Update eob_extra counts

Change-Id: Ib0e0b5f7085d3c910dcd15a3628a001af864c8fc

av1/decoder/decodetxb.c

@@ -374,6 +374,7 @@ uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
     int bit = av1_read_record_bin(
         counts, r, ec_ctx->eob_extra_cdf[txs_ctx][plane_type][eob_pt], 2,
         ACCT_STR);
+    if (counts) ++counts->eob_extra[txs_ctx][plane_type][eob_pt][bit];
     if (bit) {
       eob_extra += (1 << eob_shift);
     }

av1/encoder/encodetxb.c

@@ -155,7 +155,7 @@ void av1_update_eob_context(int eob, int seg_eob, TX_SIZE txsize,
   if (k_eob_offset_bits[eob_pt] > 0) {
     int eob_shift = k_eob_offset_bits[eob_pt] - 1;
     int bit = (eob_extra & (1 << eob_shift)) ? 1 : 0;
-// TODO(angiebird): update count as well
+    counts->eob_extra[txsize][plane][eob_pt][bit]++;
 #if LV_MAP_PROB
     update_cdf(ec_ctx->eob_extra_cdf[txsize][plane][eob_pt], bit, 2);
 #endif