FPII-2000: Fairphone Updater app itself should use clear version numbering

Revert build system versioning and increment version number.

Change-Id: I2133d5c40203e8dc560ee6da59b47ffac40efa79
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index eec63b7..68ad1d7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools"
-          package="com.fairphone.updater" >
+          package="com.fairphone.updater"
+    android:versionCode="32"
+    android:versionName="32" >
 
     <uses-sdk
         android:minSdkVersion="17"