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/contact_list_content.xml b/res/layout/contact_list_content.xml
index 8a96268..d9b113f 100644
--- a/res/layout/contact_list_content.xml
+++ b/res/layout/contact_list_content.xml
@@ -56,7 +56,7 @@
             android:contentDescription="@string/dismiss_sync_alert"
             android:background="?android:attr/selectableItemBackground"
             android:scaleType="center"
-            android:src="@drawable/ic_cancel_black_24dp" />
+            android:src="@drawable/quantum_ic_cancel_vd_theme_24" />
     </LinearLayout>
 
     <!-- Shown only when an Account filter is set.