Move s-frame from show existing frame position

Now that this test causes an out-of-order encoding, it is failing
when the s-frame is placed on a show existing frame. Move the s-frame
for now.

BUGS=aomedia:3090

Change-Id: Ib866aaa9c301c3b394c9549b1cb92270112fbdd9

test/error_resilience_test.cc

diff --git a/test/error_resilience_test.cc b/test/error_resilience_test.cc
index 2740c59..1c190f6 100644
--- a/test/error_resilience_test.cc
+++ b/test/error_resilience_test.cc
@@ -448,14 +448,14 @@
   // show_existing_frame. This issue still needs to be addressed.
   // Set an arbitrary S-frame
   unsigned int num_s_frames = 1;
-  unsigned int s_frame_list[] = { 6 };
+  unsigned int s_frame_list[] = { 8 };
   SetSFrames(num_s_frames, s_frame_list);
   // Ensure that any invisible frames before the S frame are dropped
   SetInvisibleErrorFrames(num_s_frames, s_frame_list);
 
   // Set a few frames before the S frame that are lost (not decoded)
-  unsigned int num_error_frames = 4;
-  unsigned int error_frame_list[] = { 2, 3, 4, 5 };
+  unsigned int num_error_frames = 6;
+  unsigned int error_frame_list[] = { 2, 3, 4, 5, 6, 7 };
   SetErrorFrames(num_error_frames, error_frame_list);
 
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));