Messaging: Use Start and End instead of Left and Right

That way we don't need a separate file for these styles anymore

Change-Id: If689fba727f9b678b628c7bfb51fa8e4474d68de

src/com/android/messaging/ui/conversation/MessageBubbleBackground.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2025 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.
@@ -34,7 +35,7 @@ public class MessageBubbleBackground extends LinearLayout {
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        final int widthPadding = getPaddingLeft() + getPaddingRight();
+        final int widthPadding = getPaddingStart() + getPaddingEnd();
         int bubbleWidth = getMeasuredWidth() - widthPadding;
         final int maxWidth = MeasureSpec.getSize(widthMeasureSpec) - widthPadding;
         // Round up to next snapWidthPixels