Add more systracing everywhere

Added to:
JIT
DexFile functions
Oat file manager

Added helper ScopedTrace to prevent errors and reduce excess code.

Bug: 27502458

(cherry picked from commit dabdc0fe183d4684f3cf4d70cb09d318cff81b42)

Change-Id: Ifaeff8913d79eefc797380987d13cc00456266f8
diff --git a/runtime/monitor.cc b/runtime/monitor.cc
index 19c71f6..1ce5841 100644
--- a/runtime/monitor.cc
+++ b/runtime/monitor.cc
@@ -16,14 +16,12 @@
 
 #include "monitor.h"
 
-#define ATRACE_TAG ATRACE_TAG_DALVIK
-
-#include <cutils/trace.h>
 #include <vector>
 
 #include "art_method-inl.h"
 #include "base/mutex.h"
 #include "base/stl_util.h"
+#include "base/systrace.h"
 #include "base/time_utils.h"
 #include "class_linker.h"
 #include "dex_file-inl.h"