Make sure media player is released

app/src/main/java/eu/faircode/email/MediaPlayerHelper.java

@@ -99,6 +99,7 @@ public class MediaPlayerHelper {
                 .build();
 
         MediaPlayer mediaPlayer = new MediaPlayer();
+        try {
             mediaPlayer.setAudioAttributes(attrs);
             mediaPlayer.setDataSource(context.getApplicationContext(), uri);
             mediaPlayer.setLooping(false);
@@ -117,6 +118,7 @@ public class MediaPlayerHelper {
             mediaPlayer.prepareAsync();
 
             NotificationManager nm = Helper.getSystemService(context, NotificationManager.class);
+            try {
                 if (alarm) {
                     Intent intent = new Intent(context, ServiceUI.class)
                             .setAction("alarm");
@@ -147,17 +149,18 @@ public class MediaPlayerHelper {
                     nm.notify("alarm", 1, builder.build());
                 }
 
-        try {
                 boolean acquired = sem.tryAcquire(duration, TimeUnit.SECONDS);
                 EntityLog.log(context, "Alarm acquired=" + acquired);
                 mediaPlayer.stop();
-            mediaPlayer.release();
             } catch (Throwable ex) {
                 Log.w(ex);
             } finally {
                 if (alarm)
                     nm.cancel("alarm", 1);
             }
+        } finally {
+            mediaPlayer.release();
+        }
 
         Log.i("Played sound=" + uri);