Run linter on MediaSnippet. (#67)

diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/MediaSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/MediaSnippet.java
index ee2a214..58b38ac 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/MediaSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/MediaSnippet.java
@@ -16,7 +16,6 @@
 
 package com.google.android.mobly.snippet.bundled;
 
-
 import android.media.AudioAttributes;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
@@ -29,40 +28,39 @@
 /* Snippet class to control media playback. */
 public class MediaSnippet implements Snippet {
 
-  private final MediaPlayer mPlayer;
+    private final MediaPlayer mPlayer;
 
-  public MediaSnippet() {
-    mPlayer = new MediaPlayer();
-  }
-
-  @Rpc(description = "Resets snippet media player to an idle state, regardless of current state.")
-  public void mediaReset() {
-    mPlayer.reset();
-  }
-
-  @Rpc(description = "Play an audio file stored at a specified file path in external storage.")
-  public void mediaPlayAudioFile(String mediaFilePath) throws IOException {
-    mediaReset();
-    if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
-      mPlayer.setAudioAttributes(
-          new AudioAttributes.Builder()
-              .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
-              .setUsage(AudioAttributes.USAGE_MEDIA)
-              .build()
-      );
-    } else {
-      mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
+    public MediaSnippet() {
+        mPlayer = new MediaPlayer();
     }
-    mPlayer.setDataSource(mediaFilePath);
-    mPlayer.prepare(); // Synchronous call blocks until the player is ready for playback.
-    mPlayer.start();
-  }
 
-  @Rpc(description = "Stops media playback.")
-  public void mediaStop() throws IOException {
-    mPlayer.stop();
-  }
+    @Rpc(description = "Resets snippet media player to an idle state, regardless of current state.")
+    public void mediaReset() {
+        mPlayer.reset();
+    }
 
-  @Override
-  public void shutdown() {}
+    @Rpc(description = "Play an audio file stored at a specified file path in external storage.")
+    public void mediaPlayAudioFile(String mediaFilePath) throws IOException {
+        mediaReset();
+        if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
+            mPlayer.setAudioAttributes(
+                    new AudioAttributes.Builder()
+                            .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
+                            .setUsage(AudioAttributes.USAGE_MEDIA)
+                            .build());
+        } else {
+            mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
+        }
+        mPlayer.setDataSource(mediaFilePath);
+        mPlayer.prepare(); // Synchronous call blocks until the player is ready for playback.
+        mPlayer.start();
+    }
+
+    @Rpc(description = "Stops media playback.")
+    public void mediaStop() throws IOException {
+        mPlayer.stop();
+    }
+
+    @Override
+    public void shutdown() {}
 }