Messaging: Replace explicit types

Change-Id: I2165b3dec73973a2a82d8b3c7c364b5f011e597d

src/com/android/messaging/datamodel/media/RefCountedMediaResource.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,7 +49,7 @@ public abstract class RefCountedMediaResource {
     // to find out where each ref change happens.
     private static final boolean DEBUG = false;
     private static final String TAG = "bugle_media_ref_history";
-    private final ArrayList<String> mRefHistory = new ArrayList<String>();
+    private final ArrayList<String> mRefHistory = new ArrayList<>();
 
     // A lock that guards access to shared members in this class (and all its subclasses).
     private final ReentrantLock mLock = new ReentrantLock();
@@ -161,4 +162,4 @@ public abstract class RefCountedMediaResource {
 
     public abstract int getMediaSize();
     protected abstract void close();
-}
+}