Remove redundant field initialization in Java code.

media/midi/java/src/org/chromium/midi/MidiManagerAndroid.java

 // Copyright 2015 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.
 
 package org.chromium.midi;
 
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.media.midi.MidiDevice;
 import android.media.midi.MidiDeviceInfo;
@@ skipping 12 matching lines @@
 
 /**
  * A Java class implementing midi::MidiManagerAndroid functionality.
  */
 @JNINamespace("midi")
 @TargetApi(Build.VERSION_CODES.M)
 class MidiManagerAndroid {
     /**
      * Set true when this instance is successfully initialized.
      */
-    private boolean mIsInitialized = false;
+    private boolean mIsInitialized;
     /**
      * The devices held by this manager.
      */
     private final List<MidiDeviceAndroid> mDevices = new ArrayList<>();
     /**
      * The device information instances which are being initialized.
      */
     private final Set<MidiDeviceInfo> mPendingDevices = new HashSet<>();
     /**
      * The underlying MidiManager.
@@ skipping 122 matching lines @@
             mIsInitialized = true;
         }
     }
 
     static native void nativeOnInitialized(
             long nativeMidiManagerAndroid, MidiDeviceAndroid[] devices);
     static native void nativeOnInitializationFailed(long nativeMidiManagerAndroid);
     static native void nativeOnAttached(long nativeMidiManagerAndroid, MidiDeviceAndroid device);
     static native void nativeOnDetached(long nativeMidiManagerAndroid, MidiDeviceAndroid device);
 }