Changed condition for using RD in Intra Mode

The condition for using RD when selecting the intra coding mode
for a MB is that the RD flag is set AND we're not in real-time
mode.

Previously the code used RD if either the RD flag was set OR
we were not using real-time mode.

Change-Id: Ic711151298468a3f99babad39ba8375f66d55a08

vp8/encoder/encodeframe.c

@@ -1160,7 +1160,7 @@ int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)
 
 #if !(CONFIG_REALTIME_ONLY)
 
-    if (cpi->sf.RD || cpi->compressor_speed != 2)
+    if (cpi->sf.RD && cpi->compressor_speed != 2)
     {
         Error4x4 = vp8_rd_pick_intra4x4mby_modes(cpi, x, &rate4x4, &rate4x4_tokenonly, &dist4x4);