DO NOT MERGE Bump version of AOSP Contacts to 1.6.16

Test: none
Bug: 31101408
Change-Id: I78b1b1d89d0286014b64ce0136433db4061bd081
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1ebecc3..4abaddf 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -16,8 +16,8 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.contacts"
-    android:versionCode="10615"
-    android:versionName="1.6.15">
+    android:versionCode="10616"
+    android:versionName="1.6.16">
 
     <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="25" />