Messaging: disable auto dark theming on message bubble

Change-Id: I7f90b5642712d222df4ad1b1e0143a61e76b90ca
Signed-off-by: Jesse Chan <jc@lineageos.org>
diff --git a/res/layout/conversation_message_view.xml b/res/layout/conversation_message_view.xml
index daad600..25d3840 100644
--- a/res/layout/conversation_message_view.xml
+++ b/res/layout/conversation_message_view.xml
@@ -72,7 +72,8 @@
             android:id="@+id/message_text_and_info"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:orientation="vertical">
+            android:orientation="vertical"
+            android:forceDarkAllowed="false">
 
             <LinearLayout
                 android:id="@+id/message_title_layout"