Address the keyframe placement issue in corner cases

STATS_CHANGED

Change-Id: I3ff5bea99b7b88abfbaacc52980c0d96f93e5d02

av1/encoder/pass2_strategy.c

diff --git a/av1/encoder/pass2_strategy.c b/av1/encoder/pass2_strategy.c
index 3c57d48..68964d8 100644
--- a/av1/encoder/pass2_strategy.c
+++ b/av1/encoder/pass2_strategy.c
@@ -3008,7 +3008,9 @@
 
             if (next_stats == NULL) continue;
 
-            if (next_stats->lt_coded_error * 2.5 < next_stats->coded_error)
+            if (cpi->common.current_frame.frame_number + frames_to_key + idx >
+                    2 &&
+                next_stats->lt_coded_error * 2.5 < next_stats->coded_error)
               test_next_gop = 1;
           }