libstagefright: use __predict_false from bionic rather than CONDITION from log/log.h

Change-Id: Ieb07a4f58c96326553e87dacca11e3980e283dc8
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 4b8440b..f6525ae 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -42,7 +42,7 @@
 #include "include/ESDS.h"
 
 #define WARN_UNLESS(condition, message, ...) \
-( (CONDITION(condition)) ? false : ({ \
+( (__predict_false(condition)) ? false : ({ \
     ALOGW("Condition %s failed "  message, #condition, ##__VA_ARGS__); \
     true; \
 }))