Migrate files to embedder.

runtime/embedders/android/timer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#include "jni/timer.h"
+#include "embedders/android/timer.h"
 
 Timer::Timer() : elapsed_(0.0f), last_time_(0.0) {
 }
 
 void Timer::reset() {
   elapsed_ = 0.0f;
   last_time_ = now();
 }
 
 void Timer::update() {
   double current = now();
   elapsed_ = (current - last_time_);
   last_time_ = current;
 }
 
 double Timer::now() {
   timespec timeval;
   clock_gettime(CLOCK_MONOTONIC, &timeval);
   return timeval.tv_sec + (timeval.tv_nsec * 1.0e-9);
 }
 
 float Timer::elapsed() {
   return elapsed_;
 }