drm_hwcomposer: Use log/log.h instead of cutils/log.h

When enabling Treble, Android builds are complaining about using
cutils/log.h so instead use log/log.h

Cc: Marissa Wall <marissaw@google.com>
Cc: Sean Paul <seanpaul@google.com>
Cc: Dmitry Shmidt <dimitrysh@google.com>
Cc: Robert Foss <robert.foss@collabora.com>
Cc: Matt Szczesiak <matt.szczesiak@arm.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: David Hanna <david.hanna11@gmail.com>
Cc: Rob Herring <rob.herring@linaro.org>
Cc: Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe@arm.com>
Cc: Alistair Strachan <astrachan@google.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/platform.cpp b/platform.cpp
index 56ab37e..62b03a8 100644
--- a/platform.cpp
+++ b/platform.cpp
@@ -19,7 +19,7 @@
 #include "drmresources.h"
 #include "platform.h"
 
-#include <cutils/log.h>
+#include <log/log.h>
 
 namespace android {