android: prefer external storage in DocumentLoader / LibreOffice4Android

With this, these apps can be used even if /data is something like 128MB,
e.g. on normal phones, not tablets / emulators.

Change-Id: I7c8f2787b6395e98e8065e2e207aa09d9a2f39b3
Acked-by: Tor Lillqvist <tml@iki.fi>

android/experimental/DocumentLoader/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?> <!-- -*- indent-tabs-mode: nil -*- -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="org.libreoffice.android.examples"
+      android:installLocation="preferExternal"
       android:versionCode="1"
       android:versionName="1.0">
       <uses-sdk android:minSdkVersion="9"

android/experimental/LibreOffice4Android/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="org.libreoffice" 
+      android:installLocation="preferExternal"
       android:versionCode="1"
       android:versionName="1.0">