Messaging: Remove compatibility for old android versions

Change-Id: Id9065d60525a509271a0e64c0e349e857cb998e2

src/com/android/messaging/datamodel/media/DecodedImageResource.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.
@@ -24,7 +25,6 @@ import com.android.messaging.util.Assert;
 import com.android.messaging.util.Assert.DoesNotRunOnMainThread;
 import com.android.messaging.util.ImageUtils;
 import com.android.messaging.util.LogUtil;
-import com.android.messaging.util.OsUtil;
 
 import java.util.List;
 
@@ -109,11 +109,7 @@ public class DecodedImageResource extends ImageResource {
         acquireLock();
         try {
             Assert.notNull(mBitmap);
-            if (OsUtil.isAtLeastKLP()) {
-                return mBitmap.getAllocationByteCount();
-            } else {
-                return mBitmap.getRowBytes() * mBitmap.getHeight();
-            }
+            return mBitmap.getAllocationByteCount();
         } finally {
             releaseLock();
         }