Bump version code to 20307

Change-Id: Ibe91476ef3240e2eda94b132ecfecb7e91d274dc
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 618676c..164919c 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="20306"
-    android:versionName="2.3.06">
+    android:versionCode="20307"
+    android:versionName="2.3.07">
 
     <uses-sdk
         android:minSdkVersion="23"