Add new test covering corruption caused by aq mode on/off.

Added new test clip with very high motion.

BUG=aomedia:2512

Change-Id: I7d61328824f3f5ba2c8d1f59bebdb0a26bc0a81e
diff --git a/test/datarate_test.h b/test/datarate_test.h
index 66e7a85..388915f 100644
--- a/test/datarate_test.h
+++ b/test/datarate_test.h
@@ -53,6 +53,7 @@
     if (video->frame() == 0) {
       encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
       encoder->Control(AV1E_SET_AQ_MODE, aq_mode_);
+      encoder->Control(AV1E_SET_TILE_COLUMNS, 0);
       if (cfg_.g_usage == AOM_USAGE_REALTIME) {
         encoder->Control(AV1E_SET_DELTAQ_MODE, 0);
         encoder->Control(AV1E_SET_ENABLE_TPL_MODEL, 0);