Standardize and replace assets with vectors

Standarize naming of vector drawables and replace png
assets with vector drawables.

Test: build and run GoogleContactsTests
      manual side by side sanity check with previous version

Bug: 33251913
Change-Id: Iafea5c1bba738c57437888da999fc2909d0765fd
diff --git a/res/layout/quickcontact_collapsed_suggestion_card.xml b/res/layout/quickcontact_collapsed_suggestion_card.xml
index 49d324e..64bac99 100644
--- a/res/layout/quickcontact_collapsed_suggestion_card.xml
+++ b/res/layout/quickcontact_collapsed_suggestion_card.xml
@@ -29,7 +29,7 @@
         android:id="@+id/collapsed_suggestion_header">
 
         <ImageView
-                android:src="@drawable/ic_assistant"
+                android:src="@drawable/quantum_ic_assistant_vd_theme_24"
                 android:tint="@color/editor_icon_color"
                 android:layout_width="@dimen/quickcontact_collapse_icon_size"
                 android:layout_height="@dimen/quickcontact_collapse_icon_size"
@@ -50,7 +50,7 @@
                 android:paddingTop="@dimen/quickcontact_collapse_text_padding"/>
 
         <ImageView
-                android:src="@drawable/ic_menu_expander_minimized_holo_light"
+                android:src="@drawable/quantum_ic_expand_more_vd_theme_24"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical|end"