Android: rework r29929 AndroidManifest.xml version handling.

Put the generated AndroidManifest.xml into the bin subfolder and remove it from
clean list. Avoids problems with cleaning if you're building in the android/
folder. Thanks to kugel for pointing out that people are actually doing that.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29931 a1c6a512-1295-4272-9138-f99709370657
2 files changed