system/core Replace log/log.h with android/log.h

Should use android/log.h instead of log/log.h as a good example
to all others.  Adjust header order to comply with Android Coding
standards.

Test: Compile
Bug: 26552300
Bug: 31289077
Change-Id: I33a8fb4e754d2dc4754d335660c450e0a67190fc
diff --git a/bootstat/histogram_logger.cpp b/bootstat/histogram_logger.cpp
index e3aad28..3144d8b 100644
--- a/bootstat/histogram_logger.cpp
+++ b/bootstat/histogram_logger.cpp
@@ -18,8 +18,10 @@
 
 #include <cstdlib>
 #include <memory>
+
+#include <android/log.h>
 #include <android-base/logging.h>
-#include <log/log.h>
+
 #include "event_log_list_builder.h"
 
 namespace bootstat {
@@ -38,4 +40,4 @@
   android_bWriteLog(HISTOGRAM_LOG_TAG, log.get(), size);
 }
 
-}  // namespace bootstat
\ No newline at end of file
+}  // namespace bootstat