Remove auto raw pointer deduction from non-linux specific code.

mojo/android/system/watcher_impl.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/android/system/watcher_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/android/base_jni_registrar.h"
@@ skipping 67 matching lines @@
 
 static jlong CreateWatcher(JNIEnv* env, const JavaParamRef<jobject>& jcaller) {
   return reinterpret_cast<jlong>(new WatcherImpl);
 }
 
 static jint Start(JNIEnv* env,
                   const JavaParamRef<jobject>& jcaller,
                   jlong watcher_ptr,
                   jint mojo_handle,
                   jint signals) {
-  auto watcher = reinterpret_cast<WatcherImpl*>(watcher_ptr);
+  auto* watcher = reinterpret_cast<WatcherImpl*>(watcher_ptr);
   return watcher->Start(env, jcaller, mojo_handle, signals);
 }
 
 static void Cancel(JNIEnv* env,
                    const JavaParamRef<jobject>& jcaller,
                    jlong watcher_ptr) {
   reinterpret_cast<WatcherImpl*>(watcher_ptr)->Cancel();
 }
 
 static void Delete(JNIEnv* env,
                    const JavaParamRef<jobject>& jcaller,
                    jlong watcher_ptr) {
   delete reinterpret_cast<WatcherImpl*>(watcher_ptr);
 }
 
 bool RegisterWatcherImpl(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace mojo