Refactor ext-inter to loop through all masked modes in rdopt

No change in performance

Change-Id: Ie105a7baf6a2c2258d3ef117e727957e4393f51b
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 2b00c51..8fba4cb 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -4327,10 +4327,8 @@
     }
     if (cm->reference_mode != SINGLE_REFERENCE) {
       for (i = 0; i < BLOCK_SIZES; i++) {
-        if (is_interinter_wedge_used(i)) {
-          for (j = 0; j < COMPOUND_TYPES - 1; j++) {
-            av1_diff_update_prob(&r, &fc->compound_type_prob[i][j], ACCT_STR);
-          }
+        for (j = 0; j < COMPOUND_TYPES - 1; j++) {
+          av1_diff_update_prob(&r, &fc->compound_type_prob[i][j], ACCT_STR);
         }
       }
     }