Bump version to 1.39.9 (13909)

Change-Id: I5fa6756a051abb8f25440ec329a20f7e5ee77357
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 65a4929..2be59ee 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools"
           package="com.fairphone.updater"
-    android:versionCode="13908"
-    android:versionName="1.39.8" >
+    android:versionCode="13909"
+    android:versionName="1.39.9" >
 
     <uses-sdk
         android:minSdkVersion="17"