Messaging: Vendor chips, colorpicker, photoviewer, and vcard in-tree

Clone no longer depends on LineageOS gitlinks; the libraries used by the app live in this repo.

Co-authored-by: Cursor <cursoragent@cursor.com>

modules/chips/res/drawable/chip_autocomplete_divider_background.xml

@@ -0,0 +1,6 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient
+        android:angle="90"
+        android:startColor="@android:color/transparent"
+        android:endColor="@color/autocomplete_bottom_shadow_start" />
+</shape>