Fix inconsistent message bubble padding in RTL.

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationItem.java

@@ -1608,6 +1608,9 @@ public final class ConversationItem extends RelativeLayout implements BindableCo
     } else if (current.isOutgoing()) {
       ViewUtil.setPaddingStart(this, readDimen(R.dimen.conversation_individual_left_gutter));
       ViewUtil.setPaddingEnd(this, readDimen(R.dimen.conversation_individual_right_gutter));
+    } else {
+      ViewUtil.setPaddingStart(this, readDimen(R.dimen.conversation_individual_received_left_gutter));
+      ViewUtil.setPaddingEnd(this, readDimen(R.dimen.conversation_individual_right_gutter));
     }
   }
 

app/src/main/res/layout/conversation_item_received_multimedia.xml

@@ -11,7 +11,7 @@
     android:nextFocusLeft="@+id/conversation_item"
     android:nextFocusRight="@+id/embedded_text_editor"
     android:orientation="vertical"
-    android:paddingStart="8dp"
+    android:paddingStart="@dimen/conversation_individual_received_left_gutter"
     android:paddingEnd="@dimen/conversation_individual_right_gutter">
 
     <FrameLayout

app/src/main/res/values/dimens.xml

@@ -77,6 +77,7 @@
     <dimen name="conversation_compose_height">44dp</dimen>
     <dimen name="conversation_individual_right_gutter">16dp</dimen>
     <dimen name="conversation_individual_left_gutter">16dp</dimen>
+    <dimen name="conversation_individual_received_left_gutter">8dp</dimen>
     <dimen name="conversation_group_left_gutter">52dp</dimen>
     <dimen name="conversation_vertical_message_spacing_default">8dp</dimen>
     <dimen name="conversation_vertical_message_spacing_collapse">1dp</dimen>