liblog: use log/log.h when utilizing ALOG macros

Test: compile
Bug: 30465923
Change-Id: Id6d76510819ebd88c3f5003d00d73a0dbe85e943
diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index 1a2f6fb..c6cf5bf 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -22,8 +22,8 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <android/log.h>
 #include <cutils/memory.h>
+#include <log/log.h>
 
 #include "buffer.h"
 #include "scanline.h"