messaging: Reducing the size of the radius of the bubbles

Change-Id: Iab3065194dff35d9752e6ad860755ade67038b02

res/drawable/message_bubble_incoming_no_arrow.xml

@@ -16,5 +16,5 @@
 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
     <solid android:color="@color/color_filter_base_color" />
-    <corners android:radius="28dp" />
+    <corners android:radius="16dp" />
 </shape>

res/drawable/message_bubble_outgoing_no_arrow.xml

@@ -16,5 +16,5 @@
 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
     <solid android:color="@color/color_filter_base_color" />
-    <corners android:radius="28dp" />
+    <corners android:radius="16dp" />
 </shape>

res/drawable/msg_bubble_input_rounded.xml

@@ -9,5 +9,5 @@
     android:shape="rectangle">
 
     <solid android:color="@color/compose_send_text_background_color" />
-    <corners android:radius="28dp" />
+    <corners android:radius="16dp" />
 </shape>