Fix unit test TestTell when lv_map is on

Change-Id: I9f09a186a1d8aee34acf1d4262c7bbe9917c2709

test/boolcoder_test.cc

@@ -86,7 +86,11 @@ TEST(AV1, TestBitIO) {
   }
 }
 
+#if CONFIG_LV_MAP
+#define FRAC_DIFF_TOTAL_ERROR 0.18
+#else
 #define FRAC_DIFF_TOTAL_ERROR 0.16
+#endif
 
 TEST(AV1, TestTell) {
   const int kBufferSize = 10000;