Binder: move Trace to OS module

Also, Trusty is not OS_android.

Test: mma in binder
Bug: 302723053
Change-Id: Ia9e05f11705694668d8c299e220ea19e27b55d1f
diff --git a/libs/binder/OS_android.cpp b/libs/binder/OS_android.cpp
index ad458eb..155588d 100644
--- a/libs/binder/OS_android.cpp
+++ b/libs/binder/OS_android.cpp
@@ -17,6 +17,7 @@
 #include "OS.h"
 
 #include <android-base/threads.h>
+#include <cutils/trace.h>
 #include <utils/misc.h>
 
 namespace android::binder::os {
@@ -34,4 +35,12 @@
     return true;
 }
 
+void trace_begin(uint64_t tag, const char* name) {
+    atrace_begin(tag, name);
+}
+
+void trace_end(uint64_t tag) {
+    atrace_end(tag);
+}
+
 } // namespace android::binder::os