Bump AOSP Contacts version to 1.5.1

Bug 28880104

Change-Id: I494f503c6a3d1075014727b75292f5cf0064a596
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 16bd38a..bbc1713 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="10500"
-    android:versionName="1.5.0">
+    android:versionCode="10501"
+    android:versionName="1.5.1">
 
     <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="23" />
     <original-package android:name="com.android.contacts" />