Android is after all Java-based, so let's not avoid it

An Android app always runs in the context of a Java (well, Dalvik)
virtual machine.

Sure, there will now be some Java-related compilation errors here and
there when cross-compiling for Android. Use --without-java if they
disturb, until I have fixed them.

distro-configs/LibreOfficeAndroid.conf

@@ -16,7 +16,6 @@
 --disable-xmlsec
 --enable-python=internal
 --without-fonts
---without-java
 --without-junit
 --without-ppds
 --without-stlport