Bump 2.3.11 -> 2.3.12 for AOSP dialer.

Bug: 25789573
Change-Id: Ib79cd0e1ba5ebdd3de8652489a7472e5874ad8b5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8254f36..9051a9f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -17,8 +17,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.dialer"
     coreApp="true"
-    android:versionCode="20311"
-    android:versionName="2.3.11">
+    android:versionCode="20312"
+    android:versionName="2.3.12">
 
     <uses-sdk
         android:minSdkVersion="23"